diff --git a/src/base/helpers/float.ts b/src/base/helpers/float.ts
index 847fd2c4..913bde8b 100644
--- a/src/base/helpers/float.ts
+++ b/src/base/helpers/float.ts
@@ -24,16 +24,12 @@ export const makePropTypes = makePropTypesFactory(vars => ({
 export const transform: TransformFunction<FloatHelpersProps> = props => {
   const { clearfix, pull, ...rest } = props;
 
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
+  rest.className = classNames(
     {
       "is-clearfix": clearfix,
       [`is-pulled-${pull}`]: pull,
     },
-    (rest as any).className,
+    rest.className,
   );
 
   return rest;
diff --git a/src/base/helpers/other.ts b/src/base/helpers/other.ts
index d4de5b7f..1387f489 100644
--- a/src/base/helpers/other.ts
+++ b/src/base/helpers/other.ts
@@ -42,11 +42,7 @@ export const transform: TransformFunction<OtherHelpersProps> = props => {
     unselectable,
     ...rest
   } = props;
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
+  rest.className = classNames(
     {
       "is-marginless": marginless,
       "is-paddingless": paddingless,
@@ -55,7 +51,7 @@ export const transform: TransformFunction<OtherHelpersProps> = props => {
       "is-shadowless": shadowless,
       "is-unselectable": unselectable,
     },
-    (rest as any).className,
+    rest.className,
   );
 
   return rest;
diff --git a/src/base/helpers/overflow.ts b/src/base/helpers/overflow.ts
index 62fe30d5..2df36b49 100644
--- a/src/base/helpers/overflow.ts
+++ b/src/base/helpers/overflow.ts
@@ -20,14 +20,7 @@ export const makePropTypes = makePropTypesFactory(vars => ({
 export const transform: TransformFunction<OverflowHelpersProps> = props => {
   const { clipped, ...rest } = props;
 
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
-    { "is-clipped": clipped },
-    (rest as any).className,
-  );
+  rest.className = classNames({ "is-clipped": clipped }, rest.className);
 
   return rest;
 };
diff --git a/src/base/helpers/overlay.ts b/src/base/helpers/overlay.ts
index 66ef627d..e399352a 100644
--- a/src/base/helpers/overlay.ts
+++ b/src/base/helpers/overlay.ts
@@ -19,14 +19,7 @@ export const makePropTypes = makePropTypesFactory(vars => ({
 
 export const transform: TransformFunction<OverlayHelpersProps> = props => {
   const { overlay, ...rest } = props;
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
-    { "is-overlay": overlay },
-    (rest as any).className,
-  );
+  rest.className = classNames({ "is-overlay": overlay }, rest.className);
 
   return rest;
 };
diff --git a/src/base/helpers/responsive.ts b/src/base/helpers/responsive.ts
index eb0d251c..c0ae1dff 100644
--- a/src/base/helpers/responsive.ts
+++ b/src/base/helpers/responsive.ts
@@ -45,13 +45,13 @@ export type ResponsiveBreakpointProps = Partial<{
 export type ResponsiveHelpersProps = Partial<{
   responsive: Partial<
     {
-      [B in Variables["breakpointsLimited"]]: LimitedResponsiveBreakpointProps
+      [B in Variables["breakpointsLimited"]]: LimitedResponsiveBreakpointProps;
     } &
       {
         [B in Exclude<
           Variables["breakpoints"],
           Variables["breakpointsLimited"]
-        >]: ResponsiveBreakpointProps
+        >]: ResponsiveBreakpointProps;
       }
   >;
 }>;
@@ -109,11 +109,7 @@ export const makePropTypes = makePropTypesFactory(vars => ({
 
 export const transform: TransformFunction<ResponsiveHelpersProps> = props => {
   const { responsive, ...rest } = props;
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
+  rest.className = classNames(
     responsive !== undefined
       ? Object.keys(responsive)
           .filter(breakpoint => responsive[breakpoint] !== undefined)
@@ -152,7 +148,7 @@ export const transform: TransformFunction<ResponsiveHelpersProps> = props => {
           })
           .reduce((acc, cv) => ({ ...acc, ...cv }), {})
       : undefined,
-    (rest as any).className,
+    rest.className,
   );
 
   return rest;
diff --git a/src/base/helpers/typography.ts b/src/base/helpers/typography.ts
index b9187c54..f1ad4d78 100644
--- a/src/base/helpers/typography.ts
+++ b/src/base/helpers/typography.ts
@@ -41,11 +41,7 @@ export const transform: TransformFunction<TypographyHelpersProps> = props => {
     ...rest
   } = props;
 
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
+  rest.className = classNames(
     {
       [`has-background-${backgroundColor}`]: backgroundColor,
       [`has-text-${textColor}`]: textColor,
@@ -55,7 +51,7 @@ export const transform: TransformFunction<TypographyHelpersProps> = props => {
       [`has-text-weight-${textWeight}`]: textWeight,
       [`is-size-${textSize}`]: textSize,
     },
-    (rest as any).className,
+    rest.className,
   );
 
   return rest;
diff --git a/src/base/helpers/visibility.ts b/src/base/helpers/visibility.ts
index e10f0e62..67c6efb1 100644
--- a/src/base/helpers/visibility.ts
+++ b/src/base/helpers/visibility.ts
@@ -29,17 +29,13 @@ export const makePropTypes = makePropTypesFactory(vars => ({
 export const transform: TransformFunction<VisibilityHelpersProps> = props => {
   const { hidden, invisible, srOnly, ...rest } = props;
 
-  // Can remove "no-any" and "no-unsafe-any" with TypeScript 3.3
-  // https://github.com/Microsoft/TypeScript/pull/29121
-  // tslint:disable:no-any
-  // tslint:disable:no-unsafe-any
-  (rest as any).className = classNames(
+  rest.className = classNames(
     {
       "is-hidden": hidden,
       "is-invisible": invisible,
       "is-sr-only": srOnly,
     },
-    (rest as any).className,
+    rest.className,
   );
 
   return rest;