diff --git a/frontend_v2/src/app/components/about/about.component.ts b/frontend_v2/src/app/components/about/about.component.ts
index 3235a9908b..ea75489bd3 100644
--- a/frontend_v2/src/app/components/about/about.component.ts
+++ b/frontend_v2/src/app/components/about/about.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, Inject } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { GlobalService } from '../../services/global.service';
 
 /**
diff --git a/frontend_v2/src/app/components/auth/auth.component.ts b/frontend_v2/src/app/components/auth/auth.component.ts
index 8a5b57d8ee..dd5d0a8160 100644
--- a/frontend_v2/src/app/components/auth/auth.component.ts
+++ b/frontend_v2/src/app/components/auth/auth.component.ts
@@ -1,5 +1,5 @@
-import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Component, ElementRef, OnInit, ViewChild } from '@angular/core';
+import { Router } from '@angular/router';
 import { GlobalService } from '../../services/global.service';
 import { AuthService } from '../../services/auth.service';
 
@@ -22,13 +22,11 @@ export class AuthComponent implements OnInit {
   /**
    * Constructor.
    * @param router  Router Injection.
-   * @param route  ActivatedRoute Injection.
    * @param globalService  GlobalService Injection.
    * @param authService  AuthServiceInjection
    */
   constructor(
     private router: Router,
-    private route: ActivatedRoute,
     private globalService: GlobalService,
     public authService: AuthService
   ) {}
diff --git a/frontend_v2/src/app/components/auth/login/login.component.html b/frontend_v2/src/app/components/auth/login/login.component.html
index c6cd7c8055..37dd4390a7 100644
--- a/frontend_v2/src/app/components/auth/login/login.component.html
+++ b/frontend_v2/src/app/components/auth/login/login.component.html
@@ -27,16 +27,16 @@
         id="name"
         class="dark-autofill"
         name="name"
-        (focusin)="isnameFocused = true"
-        (focusout)="isnameFocused = authService.getUser['name'] !== ''"
+        (focusin)="isNameFocused = true"
+        (focusout)="isNameFocused = authService.getUser['name'] !== ''"
         [(ngModel)]="authService.getUser['name']"
-        (change)="isnameFocused = authService.getUser['name'] !== ''"
+        (change)="isNameFocused = authService.getUser['name'] !== ''"
         #name="ngModel"
         minLength="3"
         required
       />
       <span class="form-icon form-icon-dark"><i class="fa fa-user"></i></span>
-      <label for="name" [class.active]="isnameFocused">Username*</label>
+      <label for="name" [class.active]="isNameFocused">Username*</label>
       <div class="wrn-msg text-highlight" *ngIf="name.invalid && (name.dirty || name.touched || loginForm.submitted)">
         <p *ngIf="name.errors.minlength">Username is too short.</p>
         <p *ngIf="name.errors.required">Username is required.</p>
@@ -50,9 +50,9 @@
         (paste)="authService.getUser['password'] = ''"
         class="dark-autofill"
         name="password"
-        (focusin)="ispasswordFocused = true"
-        (focusout)="ispasswordFocused = authService.getUser['password'] !== ''"
-        (change)="ispasswordFocused = authService.getUser['password'] !== ''"
+        (focusin)="isPasswordFocused = true"
+        (focusout)="isPasswordFocused = authService.getUser['password'] !== ''"
+        (change)="isPasswordFocused = authService.getUser['password'] !== ''"
         [(ngModel)]="authService.getUser['password']"
         #password="ngModel"
         autocomplete="new-password"
@@ -63,7 +63,7 @@
         <i *ngIf="!authService.canShowPassword" class="fa fa-eye pointer"></i>
         <i *ngIf="authService.canShowPassword" class="fa fa-eye-slash pointer"></i>
       </span>
-      <label for="password" [class.active]="ispasswordFocused">Password (min 8 characters) *</label>
+      <label for="password" [class.active]="isPasswordFocused">Password (min 8 characters) *</label>
       <div
         class="wrn-msg text-highlight"
         *ngIf="password.invalid && (password.dirty || password.touched || loginForm.submitted)"
diff --git a/frontend_v2/src/app/components/auth/login/login.component.ts b/frontend_v2/src/app/components/auth/login/login.component.ts
index b1bbc3c4a7..b16735a5da 100644
--- a/frontend_v2/src/app/components/auth/login/login.component.ts
+++ b/frontend_v2/src/app/components/auth/login/login.component.ts
@@ -1,13 +1,9 @@
-import { Component, OnInit, Inject } from '@angular/core';
-import { ViewChildren, QueryList, AfterViewInit } from '@angular/core';
-import { DOCUMENT } from '@angular/common';
-import { InputComponent } from '../../../components/utility/input/input.component';
-import { WindowService } from '../../../services/window.service';
+import { Component, OnInit } from '@angular/core';
 import { ApiService } from '../../../services/api.service';
 import { AuthService } from '../../../services/auth.service';
 import { GlobalService } from '../../../services/global.service';
 import { EndpointsService } from '../../../services/endpoints.service';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 
 /**
  * Component Class
@@ -17,9 +13,9 @@ import { Router, ActivatedRoute } from '@angular/router';
   templateUrl: './login.component.html',
   styleUrls: ['./login.component.scss'],
 })
-export class LoginComponent implements OnInit, AfterViewInit {
-  isnameFocused = false;
-  ispasswordFocused = false;
+export class LoginComponent implements OnInit {
+  isNameFocused = false;
+  isPasswordFocused = false;
 
   /**
    * Route path for challenge list
@@ -48,22 +44,16 @@ export class LoginComponent implements OnInit, AfterViewInit {
 
   /**
    * Constructor.
-   * @param document  window document injection
-   * @param windowService
+   * @param globalService  GlobalService Injection.
    * @param apiService  ApiService Injection
    * @param authService  AuthService Injection
    * @param router  Router Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param globalService  GlobalService Injection.
-   * @param endpointsService
+   * @param endpointsService EndPointsService Injection.
    */
   constructor(
-    @Inject(DOCUMENT) private document: Document,
-    private windowService: WindowService,
     private globalService: GlobalService,
     private apiService: ApiService,
     public authService: AuthService,
-    private route: ActivatedRoute,
     private router: Router,
     private endpointsService: EndpointsService
   ) {}
@@ -78,11 +68,6 @@ export class LoginComponent implements OnInit, AfterViewInit {
     this.authService.resetForm();
   }
 
-  /**
-   * After view is initialized.
-   */
-  ngAfterViewInit() {}
-
   /**
    * Constructor.
    * @param self  Router Injection.
diff --git a/frontend_v2/src/app/components/auth/signup/signup.component.ts b/frontend_v2/src/app/components/auth/signup/signup.component.ts
index 5e1e586508..68c5542844 100644
--- a/frontend_v2/src/app/components/auth/signup/signup.component.ts
+++ b/frontend_v2/src/app/components/auth/signup/signup.component.ts
@@ -1,11 +1,9 @@
 import { Component, OnInit, Inject } from '@angular/core';
 import { AfterViewInit } from '@angular/core';
-import { DOCUMENT } from '@angular/common';
-import { WindowService } from '../../../services/window.service';
 import { ApiService } from '../../../services/api.service';
 import { EndpointsService } from '../../../services/endpoints.service';
 import { GlobalService } from '../../../services/global.service';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 import { AuthService } from '../../../services/auth.service';
 
 /**
@@ -37,22 +35,16 @@ export class SignupComponent implements OnInit, AfterViewInit {
 
   /**
    * Constructor.
-   * @param document  window document Injection.
-   * @param windowService  ActivatedRoute Injection.
    * @param globalService  GlobalService Injection.
    * @param apiService  ApiService Injection.
-   * @param authService
+   * @param authService AuthService Injection.
+   * @param endpointsService EndPointsService Injection.
    * @param router  Router Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param endpointsService
    */
   constructor(
-    @Inject(DOCUMENT) private document: Document,
-    private windowService: WindowService,
     private globalService: GlobalService,
     private apiService: ApiService,
     public authService: AuthService,
-    private route: ActivatedRoute,
     private endpointsService: EndpointsService,
     private router: Router
   ) {}
diff --git a/frontend_v2/src/app/components/auth/verify-email/verify-email.component.ts b/frontend_v2/src/app/components/auth/verify-email/verify-email.component.ts
index b8f83b56b3..cfa9d54722 100644
--- a/frontend_v2/src/app/components/auth/verify-email/verify-email.component.ts
+++ b/frontend_v2/src/app/components/auth/verify-email/verify-email.component.ts
@@ -1,7 +1,6 @@
 import { Component, OnInit } from '@angular/core';
-import { Router, ActivatedRoute } from '@angular/router';
+import { ActivatedRoute } from '@angular/router';
 import { AuthService } from '../../../services/auth.service';
-import { ApiService } from '../../../services/api.service';
 import { GlobalService } from '../../../services/global.service';
 
 /**
@@ -32,14 +31,10 @@ export class VerifyEmailComponent implements OnInit {
    * Constructor.
    * @param authService  AuthService Injection.
    * @param globalService  GlobalService Injection.
-   * @param apiService  Router Injection.
    * @param route  ActivatedRoute Injection.
-   * @param router  GlobalService Injection.
    */
   constructor(
-    private router: Router,
     private route: ActivatedRoute,
-    private apiService: ApiService,
     private globalService: GlobalService,
     private authService: AuthService
   ) {}
diff --git a/frontend_v2/src/app/components/challenge-create/challenge-create.component.ts b/frontend_v2/src/app/components/challenge-create/challenge-create.component.ts
index 93e4cbf0d4..a5b4330281 100644
--- a/frontend_v2/src/app/components/challenge-create/challenge-create.component.ts
+++ b/frontend_v2/src/app/components/challenge-create/challenge-create.component.ts
@@ -1,9 +1,8 @@
-import { Component, OnInit, ViewChildren, QueryList, Inject } from '@angular/core';
+import { Component, OnInit, Inject } from '@angular/core';
 import { AuthService } from '../../services/auth.service';
-import { ApiService } from '../../services/api.service';
 import { GlobalService } from '../../services/global.service';
 import { ChallengeService } from '../../services/challenge.service';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 import { DOCUMENT } from '@angular/common';
 
 /**
@@ -60,22 +59,18 @@ export class ChallengeCreateComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
    * @param authService  AuthService Injection.
+   * @param router  Router Injection.
+   * @param challengeService  ChallengeService Injection.
    * @param document
    * @param globalService  GlobalService Injection.
-   * @param apiService  ApiService Injection.
-   * @param challengeService  ChallengeService Injection.
    */
   constructor(
     public authService: AuthService,
     private router: Router,
-    private route: ActivatedRoute,
     private challengeService: ChallengeService,
     @Inject(DOCUMENT) private document,
-    private globalService: GlobalService,
-    private apiService: ApiService
+    private globalService: GlobalService
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/challenge/challenge.component.ts b/frontend_v2/src/app/components/challenge/challenge.component.ts
index 6f7eec79bc..4f94271ab8 100644
--- a/frontend_v2/src/app/components/challenge/challenge.component.ts
+++ b/frontend_v2/src/app/components/challenge/challenge.component.ts
@@ -2,14 +2,11 @@ import { Component, Inject, OnInit } from '@angular/core';
 import { Router, ActivatedRoute } from '@angular/router';
 import { Meta } from '@angular/platform-browser';
 import { DOCUMENT } from '@angular/common';
-import { NGXLogger } from 'ngx-logger';
 
 // import services
 import { AuthService } from '../../services/auth.service';
-import { ApiService } from '../../services/api.service';
 import { GlobalService } from '../../services/global.service';
 import { ChallengeService } from '../../services/challenge.service';
-import { EndpointsService } from '../../services/endpoints.service';
 
 /**
  * Component Class
@@ -70,33 +67,22 @@ export class ChallengeComponent implements OnInit {
    */
   isLoggedIn: any = false;
 
-  /**
-   * To call the API inside modal for editing the challenge details
-   */
-  apiCall: any;
-
   /**
    * Constructor.
+   * @param router  Router Injection.
    * @param route  ActivatedRoute Injection.
-   * @param router  GlobalService Injection.
-   * @param authService  AuthService Injection.
    * @param globalService  GlobalService Injection.
-   * @param apiService  Router Injection.
-   * @param endpointsService  EndpointsService Injection.
    * @param challengeService  ChallengeService Injection.
-   * @param DOCUMENT Document Injection
+   * @param authService  AuthService Injection.
    */
   constructor(
     @Inject(DOCUMENT) document: any,
     private router: Router,
     private route: ActivatedRoute,
-    private apiService: ApiService,
     private globalService: GlobalService,
     private challengeService: ChallengeService,
     public authService: AuthService,
-    private endpointsService: EndpointsService,
-    private meta: Meta,
-    private logger: NGXLogger
+    private meta: Meta
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/challenge/challengediscuss/challengediscuss.component.ts b/frontend_v2/src/app/components/challenge/challengediscuss/challengediscuss.component.ts
index 6fae46bde3..c5d47f912a 100644
--- a/frontend_v2/src/app/components/challenge/challengediscuss/challengediscuss.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengediscuss/challengediscuss.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 
 import { AuthService } from '../../../services/auth.service';
 import { ApiService } from '../../../services/api.service';
@@ -46,7 +46,6 @@ export class ChallengediscussComponent implements OnInit {
   constructor(
     private authService: AuthService,
     private router: Router,
-    private route: ActivatedRoute,
     private challengeService: ChallengeService,
     private globalService: GlobalService,
     private apiService: ApiService,
diff --git a/frontend_v2/src/app/components/challenge/challengeevaluation/challengeevaluation.component.ts b/frontend_v2/src/app/components/challenge/challengeevaluation/challengeevaluation.component.ts
index 65eb8be8f7..f06b141980 100644
--- a/frontend_v2/src/app/components/challenge/challengeevaluation/challengeevaluation.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengeevaluation/challengeevaluation.component.ts
@@ -1,12 +1,8 @@
 import { Component, OnInit, Inject } from '@angular/core';
 import { DOCUMENT } from '@angular/common';
-import { NGXLogger } from 'ngx-logger';
 
 // import service
 import { ChallengeService } from '../../../services/challenge.service';
-import { ApiService } from '../../../services/api.service';
-import { EndpointsService } from '../../../services/endpoints.service';
-import { GlobalService } from '../../../services/global.service';
 
 /**
  * Component Class
@@ -37,12 +33,6 @@ export class ChallengeevaluationComponent implements OnInit {
    */
   tncElement: any;
 
-  /**
-   * To call the API inside modal for editing the challenge evaluation
-   * details, evaluation script and terms and conditions
-   */
-  apiCall: any;
-
   /**
    * Constructor.
    * @param document  window document Injection.
@@ -51,10 +41,6 @@ export class ChallengeevaluationComponent implements OnInit {
   constructor(
     private challengeService: ChallengeService,
     @Inject(DOCUMENT) private document: Document,
-    private endpointsService: EndpointsService,
-    private apiService: ApiService,
-    private globalService: GlobalService,
-    private logger: NGXLogger
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/challenge/challengeleaderboard/challengeleaderboard.component.ts b/frontend_v2/src/app/components/challenge/challengeleaderboard/challengeleaderboard.component.ts
index 02d61306c5..bc1ecaac07 100644
--- a/frontend_v2/src/app/components/challenge/challengeleaderboard/challengeleaderboard.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengeleaderboard/challengeleaderboard.component.ts
@@ -1,7 +1,6 @@
 import { Component, OnInit, QueryList, ViewChildren, AfterViewInit, OnDestroy } from '@angular/core';
 import { MatDialog } from '@angular/material/dialog';
 import { Router, ActivatedRoute } from '@angular/router';
-import { MatSliderChange } from '@angular/material';
 import { NGXLogger } from 'ngx-logger';
 
 // import component
@@ -211,12 +210,13 @@ export class ChallengeleaderboardComponent implements OnInit, AfterViewInit, OnD
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  GlobalService Injection.
    * @param authService  AuthService Injection.
-   * @param globalService  GlobalService Injection.
-   * @param apiService  Router Injection.
+   * @param router  Router Injection.
+   * @param route  ActivatedRoute Injection.
    * @param challengeService  ChallengeService Injection.
+   * @param globalService  GlobalService Injection.
+   * @param apiService  ApiService Injection.
+   * @param endpointsService  EndPointsService Injection.
    */
   constructor(
     private authService: AuthService,
diff --git a/frontend_v2/src/app/components/challenge/challengeoverview/challengeoverview.component.ts b/frontend_v2/src/app/components/challenge/challengeoverview/challengeoverview.component.ts
index 94431e287e..ad0debfd69 100644
--- a/frontend_v2/src/app/components/challenge/challengeoverview/challengeoverview.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengeoverview/challengeoverview.component.ts
@@ -1,11 +1,7 @@
 import { Component, OnInit, Inject } from '@angular/core';
-import { DOCUMENT } from '@angular/common';
-import { NGXLogger } from 'ngx-logger';
 
 // import service
-import { GlobalService } from '../../../services/global.service';
 import { ChallengeService } from '../../../services/challenge.service';
-import { EndpointsService } from '../../../services/endpoints.service';
 
 /**
  * Component Class
@@ -28,15 +24,10 @@ export class ChallengeoverviewComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param document  Window document Injection.
    * @param challengeService  ChallengeService Injection.
    */
   constructor(
-    private challengeService: ChallengeService,
-    @Inject(DOCUMENT) private document: Document,
-    private globalService: GlobalService,
-    private endpointsService: EndpointsService,
-    private logger: NGXLogger
+    private challengeService: ChallengeService
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/challenge/challengeparticipate/challengeparticipate.component.ts b/frontend_v2/src/app/components/challenge/challengeparticipate/challengeparticipate.component.ts
index e20470ac32..7f7438321d 100644
--- a/frontend_v2/src/app/components/challenge/challengeparticipate/challengeparticipate.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengeparticipate/challengeparticipate.component.ts
@@ -138,11 +138,12 @@ export class ChallengeparticipateComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
    * @param authService  AuthService Injection.
-   * @param globalService  GlobalService Injection.
+   * @param apiService  ApiService Injection.
+   * @param router  Router Injection.
+   * @param route  ActivatedRoute Injection.
    * @param challengeService  ChallengeService Injection.
+   * @param globalService  GlobalService Injection.
    */
   constructor(
     private authService: AuthService,
diff --git a/frontend_v2/src/app/components/challenge/challengeparticipate/terms-and-conditions-modal/terms-and-conditions-modal.component.ts b/frontend_v2/src/app/components/challenge/challengeparticipate/terms-and-conditions-modal/terms-and-conditions-modal.component.ts
index f7f4a09e94..75f5a993c2 100644
--- a/frontend_v2/src/app/components/challenge/challengeparticipate/terms-and-conditions-modal/terms-and-conditions-modal.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengeparticipate/terms-and-conditions-modal/terms-and-conditions-modal.component.ts
@@ -52,6 +52,10 @@ export class TermsAndConditionsModalComponent implements OnInit {
    */
   denyCallback = () => {};
 
+  /**
+   * Constructor.
+   * @param globalService  GlobalService Injection.
+   */  
   constructor(private globalService: GlobalService) {}
 
   ngOnInit() {
diff --git a/frontend_v2/src/app/components/challenge/challengephases/challengephases.component.ts b/frontend_v2/src/app/components/challenge/challengephases/challengephases.component.ts
index f8d07ecb5d..3eae3e6fae 100644
--- a/frontend_v2/src/app/components/challenge/challengephases/challengephases.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengephases/challengephases.component.ts
@@ -1,5 +1,4 @@
-import { Component, OnInit, Inject } from '@angular/core';
-import { DOCUMENT } from '@angular/common';
+import { Component, OnInit } from '@angular/core';
 import { ChallengeService } from '../../../services/challenge.service';
 
 /**
@@ -23,14 +22,9 @@ export class ChallengephasesComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  GlobalService Injection.
-   * @param authService  AuthService Injection.
-   * @param globalService  GlobalService Injection.
-   * @param apiService  Router Injection.
    * @param challengeService  ChallengeService Injection.
    */
-  constructor(private challengeService: ChallengeService, @Inject(DOCUMENT) private document: Document) {}
+  constructor(private challengeService: ChallengeService) {}
 
   /**
    * Component on intialized
diff --git a/frontend_v2/src/app/components/challenge/challengephases/phasecard/phasecard.component.ts b/frontend_v2/src/app/components/challenge/challengephases/phasecard/phasecard.component.ts
index 3f9b16b635..46a18b065a 100644
--- a/frontend_v2/src/app/components/challenge/challengephases/phasecard/phasecard.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengephases/phasecard/phasecard.component.ts
@@ -1,8 +1,6 @@
-import { Component, OnInit, Input, Inject } from '@angular/core';
+import { Component, OnInit, Input } from '@angular/core';
 import { GlobalService } from '../../../../services/global.service';
 import { ChallengeService } from '../../../../services/challenge.service';
-import { ApiService } from '../../../../services/api.service';
-import { EndpointsService } from '../../../../services/endpoints.service';
 
 /**
  * Component Class
@@ -46,12 +44,11 @@ export class PhasecardComponent implements OnInit {
   /**
    * Constructor.
    * @param globalService  GlobalService Injection.
+   * @param challengeService  ChallengeService Injection.
    */
   constructor(
     private globalService: GlobalService,
-    private challengeService: ChallengeService,
-    private apiService: ApiService,
-    private endpointsService: EndpointsService
+    private challengeService: ChallengeService
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/challenge/challengesubmissions/challengesubmissions.component.ts b/frontend_v2/src/app/components/challenge/challengesubmissions/challengesubmissions.component.ts
index f1c00fd0f2..bef9851841 100644
--- a/frontend_v2/src/app/components/challenge/challengesubmissions/challengesubmissions.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengesubmissions/challengesubmissions.component.ts
@@ -166,13 +166,14 @@ export class ChallengesubmissionsComponent implements OnInit, AfterViewInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  GlobalService Injection.
    * @param authService  AuthService Injection.
+   * @param router  Router Injection.
+   * @param route  ActivatedRoute Injection.
+   * @param challengeService  ChallengeService Injection.
    * @param globalService  GlobalService Injection.
    * @param apiService  Router Injection.
+   * @param windowService  WindowService Injection.
    * @param endpointsService  EndpointsService Injection.
-   * @param challengeService  ChallengeService Injection.
    */
   constructor(
     private authService: AuthService,
diff --git a/frontend_v2/src/app/components/challenge/challengesubmit/challengesubmit.component.ts b/frontend_v2/src/app/components/challenge/challengesubmit/challengesubmit.component.ts
index 7d27a7c228..f18cfb5697 100644
--- a/frontend_v2/src/app/components/challenge/challengesubmit/challengesubmit.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengesubmit/challengesubmit.component.ts
@@ -213,12 +213,13 @@ export class ChallengesubmitComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
    * @param authService  AuthService Injection.
-   * @param globalService  GlobalService Injection.
-   * @param apiService  ApiService Injection.
+   * @param router  Router Injection.
+   * @param route  ActivatedRoute Injection.
    * @param challengeService  ChallengeService Injection.
+   * @param globalService  GlobalService Injection.
+   * @param apiService  Router Injection.
+   * @param endpointsService  EndpointsService Injection.
    */
   constructor(
     private authService: AuthService,
diff --git a/frontend_v2/src/app/components/challenge/challengeviewallsubmissions/challengeviewallsubmissions.component.ts b/frontend_v2/src/app/components/challenge/challengeviewallsubmissions/challengeviewallsubmissions.component.ts
index d1c42d3e76..30c072aa3f 100644
--- a/frontend_v2/src/app/components/challenge/challengeviewallsubmissions/challengeviewallsubmissions.component.ts
+++ b/frontend_v2/src/app/components/challenge/challengeviewallsubmissions/challengeviewallsubmissions.component.ts
@@ -165,13 +165,14 @@ export class ChallengeviewallsubmissionsComponent implements OnInit, AfterViewIn
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  GlobalService Injection.
    * @param authService  AuthService Injection.
+   * @param router  Router Injection.
+   * @param route  ActivatedRoute Injection.
+   * @param challengeService  ChallengeService Injection.
    * @param globalService  GlobalService Injection.
    * @param apiService  Router Injection.
+   * @param windowService  WindowService Injection.
    * @param endpointsService  EndpointsService Injection.
-   * @param challengeService  ChallengeService Injection.
    */
   constructor(
     private authService: AuthService,
diff --git a/frontend_v2/src/app/components/contact/contact.component.ts b/frontend_v2/src/app/components/contact/contact.component.ts
index 5f9375005e..3b92dd4c71 100644
--- a/frontend_v2/src/app/components/contact/contact.component.ts
+++ b/frontend_v2/src/app/components/contact/contact.component.ts
@@ -1,11 +1,9 @@
-import { Component, OnInit, Inject } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { ViewChildren, QueryList, AfterViewInit } from '@angular/core';
-import { DOCUMENT } from '@angular/common';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 import { NGXLogger } from 'ngx-logger';
 
 import { InputComponent } from '../../components/utility/input/input.component';
-import { WindowService } from '../../services/window.service';
 import { ApiService } from '../../services/api.service';
 import { EndpointsService } from '../../services/endpoints.service';
 import { GlobalService } from '../../services/global.service';
@@ -41,20 +39,15 @@ export class ContactComponent implements OnInit, AfterViewInit {
   componentlist: any;
 
   /**
-   * Constructor.
-   * @param document  Window document Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
+   * Constructor..
    * @param globalService  GlobalService Injection.
    * @param apiService  ApiService Injection.
+   * @param router  Router Injection.
    * @param endpointsService  EndpointsService Injection.
    */
   constructor(
-    @Inject(DOCUMENT) private document: Document,
-    private windowService: WindowService,
     private globalService: GlobalService,
     private apiService: ApiService,
-    private route: ActivatedRoute,
     private router: Router,
     private endpointsService: EndpointsService,
     private logger: NGXLogger
diff --git a/frontend_v2/src/app/components/home/featured-challenges/featured-challenges.component.ts b/frontend_v2/src/app/components/home/featured-challenges/featured-challenges.component.ts
index 148d67c875..6e63bc100e 100644
--- a/frontend_v2/src/app/components/home/featured-challenges/featured-challenges.component.ts
+++ b/frontend_v2/src/app/components/home/featured-challenges/featured-challenges.component.ts
@@ -1,11 +1,9 @@
 import { Component, OnInit } from '@angular/core';
-import { HttpClientModule } from '@angular/common/http';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 import { NGXLogger } from 'ngx-logger';
 
 // import service
 import { GlobalService } from '../../../services/global.service';
-import { AuthService } from '../../../services/auth.service';
 import { EndpointsService } from '../../../services/endpoints.service';
 import { ApiService } from '../../../services/api.service';
 
@@ -31,19 +29,15 @@ export class FeaturedChallengesComponent implements OnInit {
   /**
    * Constructor.
    * @param endpointsService  EndpointService Injection.
-   * @param route  ActivatedRoute Injection.
    * @param router  Router Injection.
    * @param globalService  GlobalService Injection.
    * @param apiService  ApiService Injection.
-   * @param authService  AuthService Injection.
    */
   constructor(
-    private apiService: ApiService,
-    private authService: AuthService,
-    private globalService: GlobalService,
-    private router: Router,
-    private route: ActivatedRoute,
     private endpointsService: EndpointsService,
+    private router: Router,
+    private globalService: GlobalService,
+    private apiService: ApiService,
     private logger: NGXLogger
   ) {}
 
diff --git a/frontend_v2/src/app/components/home/home.component.ts b/frontend_v2/src/app/components/home/home.component.ts
index 42dde6c28c..9efd12a4cd 100644
--- a/frontend_v2/src/app/components/home/home.component.ts
+++ b/frontend_v2/src/app/components/home/home.component.ts
@@ -3,7 +3,6 @@ import { ApiService } from '../../services/api.service';
 import { EndpointsService } from '../../services/endpoints.service';
 import { AuthService } from '../../services/auth.service';
 import { GlobalService } from '../../services/global.service';
-import { BehaviorSubject } from 'rxjs';
 import { Router } from '@angular/router';
 import { InputComponent } from '../../components/utility/input/input.component';
 
@@ -32,6 +31,16 @@ export class HomeComponent implements OnInit, AfterViewInit, OnDestroy {
   components: QueryList<InputComponent>;
 
   authServiceSubscription: any;
+
+  /**
+   * Constructor.
+   * @param apiService  ApiServiceInjection
+   * @param endpointService  EndPointServiceInjection.
+   * @param authService  AuthServiceInjection.
+   * @param globalService  GlobalService Injection.
+   * @param router  Router Injection.
+   */
+
   constructor(
     private apiService: ApiService,
     private endpointService: EndpointsService,
diff --git a/frontend_v2/src/app/components/home/homemain/homemain.component.ts b/frontend_v2/src/app/components/home/homemain/homemain.component.ts
index 3fcd4e2271..7f6e3782e5 100644
--- a/frontend_v2/src/app/components/home/homemain/homemain.component.ts
+++ b/frontend_v2/src/app/components/home/homemain/homemain.component.ts
@@ -1,8 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { Router, ActivatedRoute } from '@angular/router';
 import { AuthService } from '../../../services/auth.service';
-import { ApiService } from '../../../services/api.service';
-import { GlobalService } from '../../../services/global.service';
 
 /**
  * Component Class
@@ -20,17 +17,9 @@ export class HomemainComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
-   * @param globalService  GlobalService Injection.
-   * @param apiService  ApiService Injection.
    * @param authService  AuthService Injection.
    */
   constructor(
-    private router: Router,
-    private route: ActivatedRoute,
-    private apiService: ApiService,
-    private globalService: GlobalService,
     private authService: AuthService
   ) {}
 
diff --git a/frontend_v2/src/app/components/nav/footer/footer.component.ts b/frontend_v2/src/app/components/nav/footer/footer.component.ts
index 70d2c0818a..29f2db0097 100644
--- a/frontend_v2/src/app/components/nav/footer/footer.component.ts
+++ b/frontend_v2/src/app/components/nav/footer/footer.component.ts
@@ -2,7 +2,7 @@ import { Component, OnInit, Inject, Input } from '@angular/core';
 import { ApiService } from '../../../services/api.service';
 import { GlobalService } from '../../../services/global.service';
 import { DOCUMENT } from '@angular/common';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 
 /**
  * Component Class
@@ -34,18 +34,16 @@ export class FooterComponent implements OnInit {
 
   /**
    * Constructor.
+   * @param apiService  ApiService Injection.
    * @param document  Window document Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
    * @param globalService  GlobalService Injection.
-   * @param apiService  ApiService Injection.
+   * @param router  Router Injection.
    */
   constructor(
     private apiService: ApiService,
     @Inject(DOCUMENT) private document: Document,
     private globalService: GlobalService,
-    private router: Router,
-    private route: ActivatedRoute
+    private router: Router
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/nav/header-static/header-static.component.ts b/frontend_v2/src/app/components/nav/header-static/header-static.component.ts
index 5d53f335b0..a35411f778 100644
--- a/frontend_v2/src/app/components/nav/header-static/header-static.component.ts
+++ b/frontend_v2/src/app/components/nav/header-static/header-static.component.ts
@@ -7,15 +7,12 @@ import {
   HostListener,
   ViewChild,
   ElementRef,
-  AfterViewInit,
 } from '@angular/core';
 import { GlobalService } from '../../../services/global.service';
 import { AuthService } from '../../../services/auth.service';
 import { filter } from "rxjs/internal/operators";
-import { RouterModule, Router, ActivatedRoute, NavigationEnd } from '@angular/router';
+import { Router, NavigationEnd } from '@angular/router';
 import { DOCUMENT } from '@angular/common';
-import { ApiService } from '../../../services/api.service';
-import { el } from '@angular/platform-browser/testing/src/browser_util';
 
 /**
  * Component Class
@@ -82,21 +79,17 @@ export class HeaderStaticComponent implements OnInit, OnDestroy {
 
   /**
    * Constructor.
-   * @param document  Window document Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
    * @param globalService  GlobalService Injection.
-   * @param authService  AuthService Injection.
-   * @param apiService  ApiService Injection.
+   * @param router  Router Injection.
    * @param ref  Angular Change Detector Injection.
+   * @param authService  AuthService Injection.
+   * @param document  Window document Injection.
    */
   constructor(
     private globalService: GlobalService,
-    private route: ActivatedRoute,
     private router: Router,
     private ref: ChangeDetectorRef,
     public authService: AuthService,
-    private apiService: ApiService,
     @Inject(DOCUMENT) private document: Document
   ) {
       this.authState = authService.authState;
diff --git a/frontend_v2/src/app/components/our-team/our-team.component.ts b/frontend_v2/src/app/components/our-team/our-team.component.ts
index 0df1050411..bcac673717 100644
--- a/frontend_v2/src/app/components/our-team/our-team.component.ts
+++ b/frontend_v2/src/app/components/our-team/our-team.component.ts
@@ -1,12 +1,10 @@
 import { Component, OnInit } from '@angular/core';
-import { Router, ActivatedRoute } from '@angular/router';
 import { NGXLogger } from 'ngx-logger';
 
 // import service
 import { ApiService } from '../../services/api.service';
 import { GlobalService } from '../../services/global.service';
 import { EndpointsService } from '../../services/endpoints.service';
-import { AuthService } from '../../services/auth.service';
 
 /**
  * Component Class
@@ -19,19 +17,13 @@ import { AuthService } from '../../services/auth.service';
 export class OurTeamComponent implements OnInit {
   /**
    * Constructor.
-   * @param endpointsService  EndpointService Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
-   * @param globalService  GlobalService Injection.
    * @param apiService  ApiService Injection.
-   * @param authService  AuthService Injection.
+   * @param globalService  GlobalService Injection.
+   * @param endpointsService  EndpointService Injection.
    */
   constructor(
     private apiService: ApiService,
-    private authService: AuthService,
     private globalService: GlobalService,
-    private router: Router,
-    private route: ActivatedRoute,
     private endpointsService: EndpointsService,
     private logger: NGXLogger
   ) {}
diff --git a/frontend_v2/src/app/components/publiclists/challengelist/challengelist.component.ts b/frontend_v2/src/app/components/publiclists/challengelist/challengelist.component.ts
index 329c033ae8..d6efda8c64 100644
--- a/frontend_v2/src/app/components/publiclists/challengelist/challengelist.component.ts
+++ b/frontend_v2/src/app/components/publiclists/challengelist/challengelist.component.ts
@@ -3,7 +3,7 @@ import { ApiService } from '../../../services/api.service';
 import { GlobalService } from '../../../services/global.service';
 import { AuthService } from '../../../services/auth.service';
 import { EndpointsService } from '../../../services/endpoints.service';
-import { Router, ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
 import { DOCUMENT } from '@angular/common';
 
 /**
@@ -179,12 +179,11 @@ export class ChallengelistComponent implements OnInit {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
-   * @param globalService  GlobalService Injection.
-   * @param authService  AuthService Injection.
    * @param apiService  ApiService Injection.
+   * @param authService  AuthService Injection.
+   * @param globalService  GlobalService Injection.
    * @param endpointsService  EndpointsService Injection.
+   * @param router  Router Injection.
    * @param document
    */
   constructor(
@@ -193,8 +192,7 @@ export class ChallengelistComponent implements OnInit {
     private globalService: GlobalService,
     private endpointsService: EndpointsService,
     private router: Router,
-    @Inject(DOCUMENT) private document,
-    private route: ActivatedRoute
+    @Inject(DOCUMENT) private document
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/publiclists/publiclists.component.ts b/frontend_v2/src/app/components/publiclists/publiclists.component.ts
index 5bf8ba6653..2add1a954c 100644
--- a/frontend_v2/src/app/components/publiclists/publiclists.component.ts
+++ b/frontend_v2/src/app/components/publiclists/publiclists.component.ts
@@ -1,7 +1,4 @@
-import { Component, OnInit, Inject, OnDestroy } from '@angular/core';
-import { Router, ActivatedRoute } from '@angular/router';
-import { DOCUMENT } from '@angular/common';
-import { GlobalService } from '../../services/global.service';
+import { Component } from '@angular/core';
 import { AuthService } from '../../services/auth.service';
 
 /**
@@ -15,17 +12,9 @@ import { AuthService } from '../../services/auth.service';
 export class PubliclistsComponent {
   /**
    * Constructor.
-   * @param document  Window document Injection.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
    * @param authService
-   * @param globalService  GlobalService Injection.
    */
   constructor(
-    private router: Router,
-    private route: ActivatedRoute,
-    @Inject(DOCUMENT) private document: Document,
-    public authService: AuthService,
-    private globalService: GlobalService
+    public authService: AuthService
   ) {}
 }
diff --git a/frontend_v2/src/app/components/publiclists/teamlist/teamcard/teamcard.component.ts b/frontend_v2/src/app/components/publiclists/teamlist/teamcard/teamcard.component.ts
index 9a1ea3f73b..6451dd108c 100644
--- a/frontend_v2/src/app/components/publiclists/teamlist/teamcard/teamcard.component.ts
+++ b/frontend_v2/src/app/components/publiclists/teamlist/teamcard/teamcard.component.ts
@@ -1,7 +1,4 @@
 import { Component, OnInit, OnChanges, Input, Output, EventEmitter, SimpleChanges } from '@angular/core';
-import { GlobalService } from '../../../../services/global.service';
-import { ApiService } from '../../../../services/api.service';
-import { Router, ActivatedRoute } from '@angular/router';
 import { AuthService } from '../../../../services/auth.service';
 
 /**
@@ -100,17 +97,10 @@ export class TeamcardComponent implements OnInit, OnChanges {
 
   /**
    * Constructor.
-   * @param route  ActivatedRoute Injection.
-   * @param router  Router Injection.
-   * @param globalService  GlobalService Injection.
-   * @param apiService  ApiService Injection.
+   * @param authService AuthService Injection.
    */
   constructor(
-    private globalService: GlobalService,
-    private apiService: ApiService,
-    public authService: AuthService,
-    private router: Router,
-    private route: ActivatedRoute
+    public authService: AuthService
   ) {}
 
   /**
diff --git a/frontend_v2/src/app/components/publiclists/teamlist/teamlist.component.ts b/frontend_v2/src/app/components/publiclists/teamlist/teamlist.component.ts
index 45ccf1811e..cf197bacec 100644
--- a/frontend_v2/src/app/components/publiclists/teamlist/teamlist.component.ts
+++ b/frontend_v2/src/app/components/publiclists/teamlist/teamlist.component.ts
@@ -226,7 +226,6 @@ export class TeamlistComponent implements OnInit, OnDestroy {
   templatePhases = null;
 
   /**
-
    * Constructor.
    * @param route  ActivatedRoute Injection.
    * @param router  Router Injection.
diff --git a/frontend_v2/src/app/components/publiclists/templatechallengelist/templatechallengelist.component.ts b/frontend_v2/src/app/components/publiclists/templatechallengelist/templatechallengelist.component.ts
index a1fe325542..7daa9fd72d 100644
--- a/frontend_v2/src/app/components/publiclists/templatechallengelist/templatechallengelist.component.ts
+++ b/frontend_v2/src/app/components/publiclists/templatechallengelist/templatechallengelist.component.ts
@@ -1,9 +1,7 @@
-import { Component, HostListener, Inject, OnInit } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { ApiService } from '../../../services/api.service';
 import { GlobalService } from '../../../services/global.service';
 import { AuthService } from '../../../services/auth.service';
-import { Router, ActivatedRoute } from '@angular/router';
-import { DOCUMENT } from '@angular/common';
 
 
 /**
@@ -36,12 +34,14 @@ export class TemplateChallengeListComponent implements OnInit {
    */
   templateChallengesFetchPath = 'challenges/get_all_challenge_templates/'
 
-
+  /**
+   * Constructor.
+   * @param authService  AuthService Injection.
+   * @param globalService  GlobalService Injection.
+   * @param apiService  ApiService Injection.
+   */
   constructor(
     public authService: AuthService,
-    private router: Router,
-    private route: ActivatedRoute,
-    @Inject(DOCUMENT) private document,
     private globalService: GlobalService,
     private apiService: ApiService
   ) {}
diff --git a/frontend_v2/src/app/components/template-challenge-create/template-challenge-create.component.ts b/frontend_v2/src/app/components/template-challenge-create/template-challenge-create.component.ts
index a8ed8f92ea..fce08e9f17 100644
--- a/frontend_v2/src/app/components/template-challenge-create/template-challenge-create.component.ts
+++ b/frontend_v2/src/app/components/template-challenge-create/template-challenge-create.component.ts
@@ -1,11 +1,9 @@
-import { Component, OnInit, ViewChildren, QueryList, Inject } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 
 import { AuthService } from '../../services/auth.service';
-import { ApiService } from '../../services/api.service';
 import { GlobalService } from '../../services/global.service';
 import { ChallengeService } from '../../services/challenge.service';
 import { Router, ActivatedRoute } from '@angular/router';
-import { DOCUMENT } from '@angular/common';
 
 /**
  * Component Class
@@ -78,9 +76,7 @@ export class TemplateChallengeCreateComponent implements OnInit {
     private router: Router,
     private route: ActivatedRoute,
     private challengeService: ChallengeService,
-    @Inject(DOCUMENT) private document,
-    private globalService: GlobalService,
-    private apiService: ApiService
+    private globalService: GlobalService
   ) {}
 
   ngOnInit() {
diff --git a/frontend_v2/src/app/components/utility/input/input.component.ts b/frontend_v2/src/app/components/utility/input/input.component.ts
index 4647c9e0cc..71b3b1bc4c 100644
--- a/frontend_v2/src/app/components/utility/input/input.component.ts
+++ b/frontend_v2/src/app/components/utility/input/input.component.ts
@@ -1,4 +1,4 @@
-import { Injectable, Component, OnInit, Input, Inject } from '@angular/core';
+import { Component, OnInit, Input, Inject } from '@angular/core';
 import { DOCUMENT } from '@angular/common';
 import { GlobalService } from '../../../services/global.service';
 
diff --git a/frontend_v2/src/app/components/utility/modal/modal.component.ts b/frontend_v2/src/app/components/utility/modal/modal.component.ts
index fc0e5fbb5f..89639303c0 100644
--- a/frontend_v2/src/app/components/utility/modal/modal.component.ts
+++ b/frontend_v2/src/app/components/utility/modal/modal.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit, Input } from '@angular/core';
-import { ViewChildren, QueryList, AfterViewInit } from '@angular/core';
+import { ViewChildren, QueryList } from '@angular/core';
 import { GlobalService } from '../../../services/global.service';
 import { InputComponent } from '../input/input.component';
 import { ChallengeService } from '../../../services/challenge.service';
diff --git a/frontend_v2/tslint.json b/frontend_v2/tslint.json
index 2c7cc88920..b66f76a483 100644
--- a/frontend_v2/tslint.json
+++ b/frontend_v2/tslint.json
@@ -36,6 +36,8 @@
     "no-switch-case-fall-through": true,
     "no-unnecessary-initializer": true,
     "no-unused-expression": true,
+    "no-unused-variable": true,
+    "noUnusedLocals": true,
     "no-use-before-declare": true,
     "no-var-keyword": true,
     "object-literal-sort-keys": false,