diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f72946061..b30dce0392 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 
 ### :bug: (Bug Fix)
 
+* Revert "feat(minification): Add noEmitHelpers, importHelpers and tslib as a dependency (#3914)"
+  [#4011](https://github.com/open-telemetry/opentelemetry-js/pull/4011) @dyladan
+
 ### :books: (Refine Doc)
 
 ### :house: (Internal)
diff --git a/api/package.json b/api/package.json
index d78638160d..d857ae33f4 100644
--- a/api/package.json
+++ b/api/package.json
@@ -87,9 +87,6 @@
     "unionfs": "4.5.1",
     "webpack": "4.46.0"
   },
-  "dependencies": {
-    "tslib": "^2.3.1"
-  },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/api",
   "sideEffects": false
 }
diff --git a/examples/esm-http-ts/tsconfig.json b/examples/esm-http-ts/tsconfig.json
index f7c20de0d1..5f821d66c7 100644
--- a/examples/esm-http-ts/tsconfig.json
+++ b/examples/esm-http-ts/tsconfig.json
@@ -18,8 +18,7 @@
     "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
 
     /* Completeness */
-    "skipLibCheck": true /* Skip type checking all .d.ts files. */,
-    "importHelpers": true
+    "skipLibCheck": true /* Skip type checking all .d.ts files. */
   },
   "include": ["**/*.ts", "**/*.js", "*.config.js"],
   "exclude": ["node_modules"]
diff --git a/examples/opentelemetry-web/package.json b/examples/opentelemetry-web/package.json
index 762f17d65f..e57cc764a3 100644
--- a/examples/opentelemetry-web/package.json
+++ b/examples/opentelemetry-web/package.json
@@ -56,8 +56,7 @@
     "@opentelemetry/sdk-metrics": "1.15.0",
     "@opentelemetry/sdk-trace-base": "1.15.0",
     "@opentelemetry/sdk-trace-web": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/examples/tracer-web"
 }
diff --git a/experimental/backwards-compatibility/node14/package.json b/experimental/backwards-compatibility/node14/package.json
index 1fc32b91f5..9414b949f5 100644
--- a/experimental/backwards-compatibility/node14/package.json
+++ b/experimental/backwards-compatibility/node14/package.json
@@ -10,8 +10,7 @@
   },
   "dependencies": {
     "@opentelemetry/sdk-node": "0.41.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "devDependencies": {
     "@types/node": "14.18.25",
diff --git a/experimental/backwards-compatibility/node16/package.json b/experimental/backwards-compatibility/node16/package.json
index 136ff5ff0b..ed473eae27 100644
--- a/experimental/backwards-compatibility/node16/package.json
+++ b/experimental/backwards-compatibility/node16/package.json
@@ -10,8 +10,7 @@
   },
   "dependencies": {
     "@opentelemetry/sdk-node": "0.41.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "devDependencies": {
     "@types/node": "16.11.52",
diff --git a/experimental/packages/api-events/package.json b/experimental/packages/api-events/package.json
index e2fed0e67e..dd4111bb3c 100644
--- a/experimental/packages/api-events/package.json
+++ b/experimental/packages/api-events/package.json
@@ -61,8 +61,7 @@
     "access": "public"
   },
   "dependencies": {
-    "@opentelemetry/api": "^1.0.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/api": "^1.0.0"
   },
   "devDependencies": {
     "@types/mocha": "10.0.1",
diff --git a/experimental/packages/api-logs/package.json b/experimental/packages/api-logs/package.json
index 15f4d1c863..9bddeaa794 100644
--- a/experimental/packages/api-logs/package.json
+++ b/experimental/packages/api-logs/package.json
@@ -61,8 +61,7 @@
     "access": "public"
   },
   "dependencies": {
-    "@opentelemetry/api": "^1.0.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/api": "^1.0.0"
   },
   "devDependencies": {
     "@types/mocha": "10.0.1",
diff --git a/experimental/packages/exporter-logs-otlp-grpc/package.json b/experimental/packages/exporter-logs-otlp-grpc/package.json
index 643ab186fc..6a61908731 100644
--- a/experimental/packages/exporter-logs-otlp-grpc/package.json
+++ b/experimental/packages/exporter-logs-otlp-grpc/package.json
@@ -76,8 +76,7 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/otlp-grpc-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
-    "@opentelemetry/sdk-logs": "0.41.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-logs": "0.41.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/exporter-logs-otlp-grpc",
   "sideEffects": false
diff --git a/experimental/packages/exporter-logs-otlp-http/package.json b/experimental/packages/exporter-logs-otlp-http/package.json
index b77b63df22..428d2ed878 100644
--- a/experimental/packages/exporter-logs-otlp-http/package.json
+++ b/experimental/packages/exporter-logs-otlp-http/package.json
@@ -107,7 +107,6 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/otlp-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
-    "@opentelemetry/sdk-logs": "0.41.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-logs": "0.41.0"
   }
 }
diff --git a/experimental/packages/exporter-logs-otlp-proto/package.json b/experimental/packages/exporter-logs-otlp-proto/package.json
index 355e5333da..6047b0bd62 100644
--- a/experimental/packages/exporter-logs-otlp-proto/package.json
+++ b/experimental/packages/exporter-logs-otlp-proto/package.json
@@ -100,8 +100,7 @@
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
     "@opentelemetry/sdk-logs": "0.41.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/exporter-logs-otlp-proto",
   "sideEffects": false
diff --git a/experimental/packages/exporter-trace-otlp-grpc/package.json b/experimental/packages/exporter-trace-otlp-grpc/package.json
index 22a4eae703..4c89ede04e 100644
--- a/experimental/packages/exporter-trace-otlp-grpc/package.json
+++ b/experimental/packages/exporter-trace-otlp-grpc/package.json
@@ -74,8 +74,7 @@
     "@opentelemetry/otlp-grpc-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/exporter-trace-otlp-grpc",
   "sideEffects": false
diff --git a/experimental/packages/exporter-trace-otlp-http/package.json b/experimental/packages/exporter-trace-otlp-http/package.json
index 56e01988a6..631b0ac6d5 100644
--- a/experimental/packages/exporter-trace-otlp-http/package.json
+++ b/experimental/packages/exporter-trace-otlp-http/package.json
@@ -99,8 +99,7 @@
     "@opentelemetry/otlp-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/exporter-trace-otlp-http",
   "sideEffects": false
diff --git a/experimental/packages/exporter-trace-otlp-proto/package.json b/experimental/packages/exporter-trace-otlp-proto/package.json
index 96c327b60f..84a44cb055 100644
--- a/experimental/packages/exporter-trace-otlp-proto/package.json
+++ b/experimental/packages/exporter-trace-otlp-proto/package.json
@@ -97,8 +97,7 @@
     "@opentelemetry/otlp-proto-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/exporter-trace-otlp-proto",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-browser-detector/package.json b/experimental/packages/opentelemetry-browser-detector/package.json
index 357f630611..9c90b945e4 100644
--- a/experimental/packages/opentelemetry-browser-detector/package.json
+++ b/experimental/packages/opentelemetry-browser-detector/package.json
@@ -83,8 +83,7 @@
   },
   "dependencies": {
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/browser-detector"
 }
diff --git a/experimental/packages/opentelemetry-exporter-metrics-otlp-grpc/package.json b/experimental/packages/opentelemetry-exporter-metrics-otlp-grpc/package.json
index 4c239a6e26..414dae9354 100644
--- a/experimental/packages/opentelemetry-exporter-metrics-otlp-grpc/package.json
+++ b/experimental/packages/opentelemetry-exporter-metrics-otlp-grpc/package.json
@@ -74,8 +74,7 @@
     "@opentelemetry/otlp-grpc-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-metrics": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-metrics": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-exporter-metrics-otlp-grpc",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-exporter-metrics-otlp-http/package.json b/experimental/packages/opentelemetry-exporter-metrics-otlp-http/package.json
index 89017dfb0b..6f83683c86 100644
--- a/experimental/packages/opentelemetry-exporter-metrics-otlp-http/package.json
+++ b/experimental/packages/opentelemetry-exporter-metrics-otlp-http/package.json
@@ -99,8 +99,7 @@
     "@opentelemetry/otlp-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-metrics": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-metrics": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-exporter-metrics-otlp-http",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-exporter-metrics-otlp-proto/package.json b/experimental/packages/opentelemetry-exporter-metrics-otlp-proto/package.json
index d98c421bc1..c92aaae08b 100644
--- a/experimental/packages/opentelemetry-exporter-metrics-otlp-proto/package.json
+++ b/experimental/packages/opentelemetry-exporter-metrics-otlp-proto/package.json
@@ -73,8 +73,7 @@
     "@opentelemetry/otlp-proto-exporter-base": "0.41.0",
     "@opentelemetry/otlp-transformer": "0.41.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-metrics": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-metrics": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-exporter-metrics-otlp-proto",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-exporter-prometheus/package.json b/experimental/packages/opentelemetry-exporter-prometheus/package.json
index 5b44a67c37..b87439eb40 100644
--- a/experimental/packages/opentelemetry-exporter-prometheus/package.json
+++ b/experimental/packages/opentelemetry-exporter-prometheus/package.json
@@ -63,8 +63,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/sdk-metrics": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-metrics": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-exporter-prometheus",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-instrumentation-fetch/package.json b/experimental/packages/opentelemetry-instrumentation-fetch/package.json
index b36c60a677..bbb989e09c 100644
--- a/experimental/packages/opentelemetry-instrumentation-fetch/package.json
+++ b/experimental/packages/opentelemetry-instrumentation-fetch/package.json
@@ -91,8 +91,7 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/instrumentation": "0.41.0",
     "@opentelemetry/sdk-trace-web": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-instrumentation-fetch",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-instrumentation-grpc/package.json b/experimental/packages/opentelemetry-instrumentation-grpc/package.json
index ac047252ee..8a7d6af1f0 100644
--- a/experimental/packages/opentelemetry-instrumentation-grpc/package.json
+++ b/experimental/packages/opentelemetry-instrumentation-grpc/package.json
@@ -71,8 +71,7 @@
   },
   "dependencies": {
     "@opentelemetry/instrumentation": "0.41.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-instrumentation-grpc",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-instrumentation-http/package.json b/experimental/packages/opentelemetry-instrumentation-http/package.json
index 2c5d28cd7f..50f9c5ea80 100644
--- a/experimental/packages/opentelemetry-instrumentation-http/package.json
+++ b/experimental/packages/opentelemetry-instrumentation-http/package.json
@@ -77,8 +77,7 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/instrumentation": "0.41.0",
     "@opentelemetry/semantic-conventions": "1.15.0",
-    "semver": "^7.5.1",
-    "tslib": "^2.3.1"
+    "semver": "^7.5.1"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-instrumentation-http",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-instrumentation-xml-http-request/package.json b/experimental/packages/opentelemetry-instrumentation-xml-http-request/package.json
index 71585b4e00..d823392acf 100644
--- a/experimental/packages/opentelemetry-instrumentation-xml-http-request/package.json
+++ b/experimental/packages/opentelemetry-instrumentation-xml-http-request/package.json
@@ -91,8 +91,7 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/instrumentation": "0.41.0",
     "@opentelemetry/sdk-trace-web": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-instrumentation-xml-http-request",
   "sideEffects": false
diff --git a/experimental/packages/opentelemetry-instrumentation/package.json b/experimental/packages/opentelemetry-instrumentation/package.json
index 46ba9af641..b3e1a2aadf 100644
--- a/experimental/packages/opentelemetry-instrumentation/package.json
+++ b/experimental/packages/opentelemetry-instrumentation/package.json
@@ -75,8 +75,7 @@
     "import-in-the-middle": "1.4.1",
     "require-in-the-middle": "^7.1.1",
     "semver": "^7.5.1",
-    "shimmer": "^1.2.1",
-    "tslib": "^2.3.1"
+    "shimmer": "^1.2.1"
   },
   "peerDependencies": {
     "@opentelemetry/api": "^1.3.0"
diff --git a/experimental/packages/opentelemetry-instrumentation/src/platform/browser/index.ts b/experimental/packages/opentelemetry-instrumentation/src/platform/browser/index.ts
index 0b238b42b8..24c76056a1 100644
--- a/experimental/packages/opentelemetry-instrumentation/src/platform/browser/index.ts
+++ b/experimental/packages/opentelemetry-instrumentation/src/platform/browser/index.ts
@@ -14,4 +14,4 @@
  * limitations under the License.
  */
 
-export { InstrumentationBase } from './instrumentation';
+export * from './instrumentation';
diff --git a/experimental/packages/opentelemetry-instrumentation/src/platform/index.ts b/experimental/packages/opentelemetry-instrumentation/src/platform/index.ts
index 1fc5f5e14a..cdaf8858ce 100644
--- a/experimental/packages/opentelemetry-instrumentation/src/platform/index.ts
+++ b/experimental/packages/opentelemetry-instrumentation/src/platform/index.ts
@@ -14,10 +14,4 @@
  * limitations under the License.
  */
 
-export {
-  InstrumentationBase,
-  InstrumentationModuleDefinition,
-  InstrumentationModuleFile,
-  InstrumentationNodeModuleDefinition,
-  InstrumentationNodeModuleFile,
-} from './node';
+export * from './node';
diff --git a/experimental/packages/opentelemetry-instrumentation/src/platform/node/index.ts b/experimental/packages/opentelemetry-instrumentation/src/platform/node/index.ts
index d3df10491f..842797c341 100644
--- a/experimental/packages/opentelemetry-instrumentation/src/platform/node/index.ts
+++ b/experimental/packages/opentelemetry-instrumentation/src/platform/node/index.ts
@@ -13,10 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-export { InstrumentationBase } from './instrumentation';
-export { InstrumentationNodeModuleDefinition } from './instrumentationNodeModuleDefinition';
-export { InstrumentationNodeModuleFile } from './instrumentationNodeModuleFile';
-export {
-  InstrumentationModuleDefinition,
-  InstrumentationModuleFile,
-} from './types';
+export * from './instrumentation';
+export * from './instrumentationNodeModuleDefinition';
+export * from './instrumentationNodeModuleFile';
+export * from './types';
diff --git a/experimental/packages/opentelemetry-instrumentation/test/node/EsmInstrumentation.test.mjs b/experimental/packages/opentelemetry-instrumentation/test/node/EsmInstrumentation.test.mjs
index 715dbdbff2..f09097cd79 100644
--- a/experimental/packages/opentelemetry-instrumentation/test/node/EsmInstrumentation.test.mjs
+++ b/experimental/packages/opentelemetry-instrumentation/test/node/EsmInstrumentation.test.mjs
@@ -18,7 +18,7 @@ import * as assert from 'assert';
 import {
   InstrumentationBase,
   InstrumentationNodeModuleDefinition,
-} from '../../build/src/platform/index.js';
+} from '../../build/src/index.js';
 import * as exported from 'test-esm-module';
 
 class TestInstrumentationWrapFn extends InstrumentationBase {
diff --git a/experimental/packages/opentelemetry-sdk-node/package.json b/experimental/packages/opentelemetry-sdk-node/package.json
index 8e6f97f27a..acaad73e01 100644
--- a/experimental/packages/opentelemetry-sdk-node/package.json
+++ b/experimental/packages/opentelemetry-sdk-node/package.json
@@ -57,8 +57,7 @@
     "@opentelemetry/sdk-metrics": "1.15.0",
     "@opentelemetry/sdk-trace-base": "1.15.0",
     "@opentelemetry/sdk-trace-node": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "peerDependencies": {
     "@opentelemetry/api": ">=1.3.0 <1.5.0"
diff --git a/experimental/packages/otlp-exporter-base/package.json b/experimental/packages/otlp-exporter-base/package.json
index 687fcdf505..1b37716bef 100644
--- a/experimental/packages/otlp-exporter-base/package.json
+++ b/experimental/packages/otlp-exporter-base/package.json
@@ -61,8 +61,7 @@
     "access": "public"
   },
   "dependencies": {
-    "@opentelemetry/core": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/core": "1.15.0"
   },
   "devDependencies": {
     "@babel/core": "7.22.9",
diff --git a/experimental/packages/otlp-grpc-exporter-base/package.json b/experimental/packages/otlp-grpc-exporter-base/package.json
index 232b83bf6c..4db399497b 100644
--- a/experimental/packages/otlp-grpc-exporter-base/package.json
+++ b/experimental/packages/otlp-grpc-exporter-base/package.json
@@ -75,8 +75,7 @@
     "@grpc/grpc-js": "^1.7.1",
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/otlp-exporter-base": "0.41.0",
-    "protobufjs": "^7.2.3",
-    "tslib": "^2.3.1"
+    "protobufjs": "^7.2.3"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/otlp-grpc-exporter-base",
   "sideEffects": false
diff --git a/experimental/packages/otlp-proto-exporter-base/package.json b/experimental/packages/otlp-proto-exporter-base/package.json
index f1fd58623c..5480ef6ce7 100644
--- a/experimental/packages/otlp-proto-exporter-base/package.json
+++ b/experimental/packages/otlp-proto-exporter-base/package.json
@@ -81,8 +81,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/otlp-exporter-base": "0.41.0",
-    "protobufjs": "^7.2.3",
-    "tslib": "^2.3.1"
+    "protobufjs": "^7.2.3"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/otlp-proto-exporter-base",
   "sideEffects": false
diff --git a/experimental/packages/otlp-transformer/package.json b/experimental/packages/otlp-transformer/package.json
index 3a53906d50..66e4244291 100644
--- a/experimental/packages/otlp-transformer/package.json
+++ b/experimental/packages/otlp-transformer/package.json
@@ -83,8 +83,7 @@
     "@opentelemetry/resources": "1.15.0",
     "@opentelemetry/sdk-logs": "0.41.0",
     "@opentelemetry/sdk-metrics": "1.15.0",
-    "@opentelemetry/sdk-trace-base": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/sdk-trace-base": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/otlp-transformer",
   "sideEffects": false
diff --git a/experimental/packages/sdk-logs/package.json b/experimental/packages/sdk-logs/package.json
index 14a18889e8..54d9063d6f 100644
--- a/experimental/packages/sdk-logs/package.json
+++ b/experimental/packages/sdk-logs/package.json
@@ -100,7 +100,6 @@
   },
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
-    "@opentelemetry/resources": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/resources": "1.15.0"
   }
 }
diff --git a/experimental/packages/shim-opencensus/package.json b/experimental/packages/shim-opencensus/package.json
index d5ebb224de..cf637d1a8d 100644
--- a/experimental/packages/shim-opencensus/package.json
+++ b/experimental/packages/shim-opencensus/package.json
@@ -71,8 +71,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "require-in-the-middle": "^7.1.1",
-    "semver": "^7.5.1",
-    "tslib": "^2.3.1"
+    "semver": "^7.5.1"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/shim-opencensus",
   "sideEffects": false
diff --git a/integration-tests/propagation-validation-server/package.json b/integration-tests/propagation-validation-server/package.json
index 8d577ea659..0158a21f68 100644
--- a/integration-tests/propagation-validation-server/package.json
+++ b/integration-tests/propagation-validation-server/package.json
@@ -17,8 +17,7 @@
     "@opentelemetry/sdk-trace-base": "1.15.0",
     "axios": "1.4.0",
     "body-parser": "1.19.0",
-    "express": "4.17.3",
-    "tslib": "^2.3.1"
+    "express": "4.17.3"
   },
   "devDependencies": {
     "typescript": "4.4.4"
diff --git a/package.json b/package.json
index 8671540526..2a6cffca35 100644
--- a/package.json
+++ b/package.json
@@ -80,8 +80,7 @@
     "typedoc": "0.22.18",
     "typedoc-plugin-missing-exports": "1.0.0",
     "typedoc-plugin-resolve-crossmodule-references": "0.2.2",
-    "typescript": "4.4.4",
-    "tslib": "^2.3.1"
+    "typescript": "4.4.4"
   },
   "changelog": {
     "repo": "open-telemetry/opentelemetry-js",
diff --git a/packages/opentelemetry-context-async-hooks/package.json b/packages/opentelemetry-context-async-hooks/package.json
index a1073523bb..01439b30f9 100644
--- a/packages/opentelemetry-context-async-hooks/package.json
+++ b/packages/opentelemetry-context-async-hooks/package.json
@@ -43,9 +43,6 @@
   "publishConfig": {
     "access": "public"
   },
-  "dependencies": {
-    "tslib": "^2.3.1"
-  },
   "devDependencies": {
     "@opentelemetry/api": ">=1.0.0 <1.5.0",
     "@types/mocha": "10.0.1",
diff --git a/packages/opentelemetry-context-zone-peer-dep/package.json b/packages/opentelemetry-context-zone-peer-dep/package.json
index 515059557f..0a7cab2c00 100644
--- a/packages/opentelemetry-context-zone-peer-dep/package.json
+++ b/packages/opentelemetry-context-zone-peer-dep/package.json
@@ -85,9 +85,6 @@
     "@opentelemetry/api": ">=1.0.0 <1.5.0",
     "zone.js": "^0.10.2 || ^0.11.0"
   },
-  "dependencies": {
-    "tslib": "^2.3.1"
-  },
   "sideEffects": false,
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-context-zone-peer-dep"
 }
diff --git a/packages/opentelemetry-context-zone/package.json b/packages/opentelemetry-context-zone/package.json
index 342c580ff9..01fafc419f 100644
--- a/packages/opentelemetry-context-zone/package.json
+++ b/packages/opentelemetry-context-zone/package.json
@@ -76,7 +76,6 @@
   },
   "dependencies": {
     "@opentelemetry/context-zone-peer-dep": "1.15.0",
-    "tslib": "^2.3.1",
     "zone.js": "^0.11.0"
   },
   "sideEffects": true,
diff --git a/packages/opentelemetry-core/package.json b/packages/opentelemetry-core/package.json
index c8ba0b3647..5340df9514 100644
--- a/packages/opentelemetry-core/package.json
+++ b/packages/opentelemetry-core/package.json
@@ -91,8 +91,7 @@
     "@opentelemetry/api": ">=1.0.0 <1.5.0"
   },
   "dependencies": {
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-core",
   "sideEffects": false
diff --git a/packages/opentelemetry-exporter-jaeger/package.json b/packages/opentelemetry-exporter-jaeger/package.json
index 2158bd3066..a595bf3e4c 100644
--- a/packages/opentelemetry-exporter-jaeger/package.json
+++ b/packages/opentelemetry-exporter-jaeger/package.json
@@ -66,8 +66,7 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/sdk-trace-base": "1.15.0",
     "@opentelemetry/semantic-conventions": "1.15.0",
-    "jaeger-client": "^3.15.0",
-    "tslib": "^2.3.1"
+    "jaeger-client": "^3.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-exporter-jaeger",
   "sideEffects": false
diff --git a/packages/opentelemetry-exporter-zipkin/package.json b/packages/opentelemetry-exporter-zipkin/package.json
index 6ef32c8de5..0de3f4a5de 100644
--- a/packages/opentelemetry-exporter-zipkin/package.json
+++ b/packages/opentelemetry-exporter-zipkin/package.json
@@ -95,8 +95,7 @@
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/resources": "1.15.0",
     "@opentelemetry/sdk-trace-base": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-exporter-zipkin",
   "sideEffects": false
diff --git a/packages/opentelemetry-propagator-b3/package.json b/packages/opentelemetry-propagator-b3/package.json
index 69fce8a126..2d0bbb4c51 100644
--- a/packages/opentelemetry-propagator-b3/package.json
+++ b/packages/opentelemetry-propagator-b3/package.json
@@ -51,8 +51,7 @@
     "access": "public"
   },
   "dependencies": {
-    "@opentelemetry/core": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/core": "1.15.0"
   },
   "peerDependencies": {
     "@opentelemetry/api": ">=1.0.0 <1.5.0"
diff --git a/packages/opentelemetry-propagator-jaeger/package.json b/packages/opentelemetry-propagator-jaeger/package.json
index ef8d9915ab..a9b2e15612 100644
--- a/packages/opentelemetry-propagator-jaeger/package.json
+++ b/packages/opentelemetry-propagator-jaeger/package.json
@@ -81,8 +81,7 @@
     "@opentelemetry/api": ">=1.0.0 <1.5.0"
   },
   "dependencies": {
-    "@opentelemetry/core": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/core": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-propagator-jaeger",
   "sideEffects": false
diff --git a/packages/opentelemetry-resources/package.json b/packages/opentelemetry-resources/package.json
index a121a1c4fd..dac50ececf 100644
--- a/packages/opentelemetry-resources/package.json
+++ b/packages/opentelemetry-resources/package.json
@@ -92,8 +92,7 @@
   },
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-resources",
   "sideEffects": false
diff --git a/packages/opentelemetry-sdk-trace-base/package.json b/packages/opentelemetry-sdk-trace-base/package.json
index d220f8cae7..c0285dd5f4 100644
--- a/packages/opentelemetry-sdk-trace-base/package.json
+++ b/packages/opentelemetry-sdk-trace-base/package.json
@@ -95,8 +95,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/resources": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-base",
   "sideEffects": false
diff --git a/packages/opentelemetry-sdk-trace-node/package.json b/packages/opentelemetry-sdk-trace-node/package.json
index 7afeef5bc3..fe776628b0 100644
--- a/packages/opentelemetry-sdk-trace-node/package.json
+++ b/packages/opentelemetry-sdk-trace-node/package.json
@@ -70,8 +70,7 @@
     "@opentelemetry/propagator-b3": "1.15.0",
     "@opentelemetry/propagator-jaeger": "1.15.0",
     "@opentelemetry/sdk-trace-base": "1.15.0",
-    "semver": "^7.5.1",
-    "tslib": "^2.3.1"
+    "semver": "^7.5.1"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-node",
   "sideEffects": false
diff --git a/packages/opentelemetry-sdk-trace-web/package.json b/packages/opentelemetry-sdk-trace-web/package.json
index 4c1c347cd0..e19b365b23 100644
--- a/packages/opentelemetry-sdk-trace-web/package.json
+++ b/packages/opentelemetry-sdk-trace-web/package.json
@@ -94,8 +94,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/sdk-trace-base": "1.15.0",
-    "@opentelemetry/semantic-conventions": "1.15.0",
-    "tslib": "^2.3.1"
+    "@opentelemetry/semantic-conventions": "1.15.0"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-web",
   "sideEffects": false
diff --git a/packages/opentelemetry-semantic-conventions/package.json b/packages/opentelemetry-semantic-conventions/package.json
index 29b28f22f4..367416299a 100644
--- a/packages/opentelemetry-semantic-conventions/package.json
+++ b/packages/opentelemetry-semantic-conventions/package.json
@@ -62,9 +62,6 @@
     "ts-mocha": "10.0.0",
     "typescript": "4.4.4"
   },
-  "dependencies": {
-    "tslib": "^2.3.1"
-  },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-semantic-conventions",
   "sideEffects": false
 }
diff --git a/packages/opentelemetry-shim-opentracing/package.json b/packages/opentelemetry-shim-opentracing/package.json
index 6f28c3c067..fbbb58096c 100644
--- a/packages/opentelemetry-shim-opentracing/package.json
+++ b/packages/opentelemetry-shim-opentracing/package.json
@@ -62,8 +62,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/semantic-conventions": "1.15.0",
-    "opentracing": "^0.14.4",
-    "tslib": "^2.3.1"
+    "opentracing": "^0.14.4"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-shim-opentracing",
   "sideEffects": false
diff --git a/packages/sdk-metrics/package.json b/packages/sdk-metrics/package.json
index 0ce67e77d4..7aaf05fd68 100644
--- a/packages/sdk-metrics/package.json
+++ b/packages/sdk-metrics/package.json
@@ -86,8 +86,7 @@
   "dependencies": {
     "@opentelemetry/core": "1.15.0",
     "@opentelemetry/resources": "1.15.0",
-    "lodash.merge": "^4.6.2",
-    "tslib": "^2.3.1"
+    "lodash.merge": "^4.6.2"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/sdk-metrics",
   "sideEffects": false
diff --git a/packages/template/package.json b/packages/template/package.json
index 8906041279..3949c871fa 100644
--- a/packages/template/package.json
+++ b/packages/template/package.json
@@ -83,9 +83,6 @@
     "lerna": "7.1.3",
     "typescript": "4.4.4"
   },
-  "dependencies": {
-    "tslib": "^2.3.1"
-  },
   "Add these to devDependencies for testing": {
     "@types/mocha": "9.1.1",
     "@types/sinon": "10.0.13",
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 84e684c8a5..cbafb67678 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -21,8 +21,7 @@
     "strict": true,
     "strictNullChecks": true,
     "target": "es2017",
-    "useUnknownInCatchVariables": false,
-    "importHelpers": true
+    "useUnknownInCatchVariables": false
   },
   "exclude": [
     "node_modules"