diff --git a/app/__mocks__/pngMock.ts b/app/__mocks__/pngMock.js
similarity index 100%
rename from app/__mocks__/pngMock.ts
rename to app/__mocks__/pngMock.js
diff --git a/app/__mocks__/react-native-device-info.ts b/app/__mocks__/react-native-device-info.js
similarity index 100%
rename from app/__mocks__/react-native-device-info.ts
rename to app/__mocks__/react-native-device-info.js
diff --git a/app/__mocks__/react-native-splash-screen.ts b/app/__mocks__/react-native-splash-screen.js
similarity index 100%
rename from app/__mocks__/react-native-splash-screen.ts
rename to app/__mocks__/react-native-splash-screen.js
diff --git a/app/__mocks__/react-native-view-shot.ts b/app/__mocks__/react-native-view-shot.js
similarity index 100%
rename from app/__mocks__/react-native-view-shot.ts
rename to app/__mocks__/react-native-view-shot.js
diff --git a/app/__mocks__/rn-fetch-blob.ts b/app/__mocks__/rn-fetch-blob.js
similarity index 100%
rename from app/__mocks__/rn-fetch-blob.ts
rename to app/__mocks__/rn-fetch-blob.js
diff --git a/app/__mocks__/svgMock.ts b/app/__mocks__/svgMock.js
similarity index 100%
rename from app/__mocks__/svgMock.ts
rename to app/__mocks__/svgMock.js
diff --git a/app/actions/infuraAvailability/index.ts b/app/actions/infuraAvailability/index.js
similarity index 100%
rename from app/actions/infuraAvailability/index.ts
rename to app/actions/infuraAvailability/index.js
diff --git a/app/components/Base/Keypad/createKeypadRule.test.ts b/app/components/Base/Keypad/createKeypadRule.test.js
similarity index 100%
rename from app/components/Base/Keypad/createKeypadRule.test.ts
rename to app/components/Base/Keypad/createKeypadRule.test.js
diff --git a/app/components/Base/Title.stories.tsx b/app/components/Base/Title.stories.js
similarity index 100%
rename from app/components/Base/Title.stories.tsx
rename to app/components/Base/Title.stories.js
diff --git a/app/components/UI/Screen/index.tsx b/app/components/UI/Screen/index.js
similarity index 100%
rename from app/components/UI/Screen/index.tsx
rename to app/components/UI/Screen/index.js
diff --git a/app/components/UI/StyledButton/StyledButton.stories.tsx b/app/components/UI/StyledButton/StyledButton.stories.js
similarity index 100%
rename from app/components/UI/StyledButton/StyledButton.stories.tsx
rename to app/components/UI/StyledButton/StyledButton.stories.js
diff --git a/app/components/UI/Swaps/components/LoadingAnimation/backgroundShapes.ts b/app/components/UI/Swaps/components/LoadingAnimation/backgroundShapes.js
similarity index 100%
rename from app/components/UI/Swaps/components/LoadingAnimation/backgroundShapes.ts
rename to app/components/UI/Swaps/components/LoadingAnimation/backgroundShapes.js
diff --git a/app/components/UI/Swaps/components/TokenIcon.test.tsx b/app/components/UI/Swaps/components/TokenIcon.test.js
similarity index 100%
rename from app/components/UI/Swaps/components/TokenIcon.test.tsx
rename to app/components/UI/Swaps/components/TokenIcon.test.js
diff --git a/app/components/UI/Swaps/components/TokenSelectButton.test.tsx b/app/components/UI/Swaps/components/TokenSelectButton.test.js
similarity index 100%
rename from app/components/UI/Swaps/components/TokenSelectButton.test.tsx
rename to app/components/UI/Swaps/components/TokenSelectButton.test.js
diff --git a/app/components/UI/Swaps/components/__snapshots__/TokenIcon.test.tsx.snap b/app/components/UI/Swaps/components/__snapshots__/TokenIcon.test.js.snap
similarity index 100%
rename from app/components/UI/Swaps/components/__snapshots__/TokenIcon.test.tsx.snap
rename to app/components/UI/Swaps/components/__snapshots__/TokenIcon.test.js.snap
diff --git a/app/components/UI/Swaps/components/__snapshots__/TokenSelectButton.test.tsx.snap b/app/components/UI/Swaps/components/__snapshots__/TokenSelectButton.test.js.snap
similarity index 100%
rename from app/components/UI/Swaps/components/__snapshots__/TokenSelectButton.test.tsx.snap
rename to app/components/UI/Swaps/components/__snapshots__/TokenSelectButton.test.js.snap
diff --git a/app/components/UI/TransactionElement/utils.test.ts b/app/components/UI/TransactionElement/utils.test.js
similarity index 100%
rename from app/components/UI/TransactionElement/utils.test.ts
rename to app/components/UI/TransactionElement/utils.test.js
diff --git a/app/components/UI/UrlAutocomplete/__snapshots__/index.test.tsx.snap b/app/components/UI/UrlAutocomplete/__snapshots__/index.test.js.snap
similarity index 100%
rename from app/components/UI/UrlAutocomplete/__snapshots__/index.test.tsx.snap
rename to app/components/UI/UrlAutocomplete/__snapshots__/index.test.js.snap
diff --git a/app/components/UI/UrlAutocomplete/index.test.tsx b/app/components/UI/UrlAutocomplete/index.test.js
similarity index 100%
rename from app/components/UI/UrlAutocomplete/index.test.tsx
rename to app/components/UI/UrlAutocomplete/index.test.js
diff --git a/app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/__snapshots__/index.test.tsx.snap b/app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/__snapshots__/index.test.js.snap
similarity index 100%
rename from app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/__snapshots__/index.test.tsx.snap
rename to app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/__snapshots__/index.test.js.snap
diff --git a/app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/index.test.tsx b/app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/index.test.js
similarity index 100%
rename from app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/index.test.tsx
rename to app/components/Views/confirmations/components/TransactionReview/TransactionReviewDetailsCard/index.test.js
diff --git a/app/constants/navigation.ts b/app/constants/navigation.js
similarity index 100%
rename from app/constants/navigation.ts
rename to app/constants/navigation.js
diff --git a/app/constants/network.ts b/app/constants/network.js
similarity index 100%
rename from app/constants/network.ts
rename to app/constants/network.js
diff --git a/app/constants/onboarding.ts b/app/constants/onboarding.js
similarity index 100%
rename from app/constants/onboarding.ts
rename to app/constants/onboarding.js
diff --git a/app/core/PreventScreenshot.ts b/app/core/PreventScreenshot.js
similarity index 100%
rename from app/core/PreventScreenshot.ts
rename to app/core/PreventScreenshot.js
diff --git a/app/core/TransactionTypes.ts b/app/core/TransactionTypes.js
similarity index 100%
rename from app/core/TransactionTypes.ts
rename to app/core/TransactionTypes.js
diff --git a/app/images/image-icons.ts b/app/images/image-icons.js
similarity index 100%
rename from app/images/image-icons.ts
rename to app/images/image-icons.js
diff --git a/app/lib/ens-ipfs/contracts/registry.ts b/app/lib/ens-ipfs/contracts/registry.js
similarity index 100%
rename from app/lib/ens-ipfs/contracts/registry.ts
rename to app/lib/ens-ipfs/contracts/registry.js
diff --git a/app/lib/ens-ipfs/contracts/resolver.ts b/app/lib/ens-ipfs/contracts/resolver.js
similarity index 100%
rename from app/lib/ens-ipfs/contracts/resolver.ts
rename to app/lib/ens-ipfs/contracts/resolver.js
diff --git a/app/store/migrations/019.test.ts b/app/store/migrations/019.test.js
similarity index 100%
rename from app/store/migrations/019.test.ts
rename to app/store/migrations/019.test.js
diff --git a/app/store/migrations/022.test.ts b/app/store/migrations/022.test.js
similarity index 100%
rename from app/store/migrations/022.test.ts
rename to app/store/migrations/022.test.js
diff --git a/app/store/migrations/023.test.ts b/app/store/migrations/023.test.js
similarity index 100%
rename from app/store/migrations/023.test.ts
rename to app/store/migrations/023.test.js
diff --git a/app/store/migrations/024.test.ts b/app/store/migrations/024.test.js
similarity index 100%
rename from app/store/migrations/024.test.ts
rename to app/store/migrations/024.test.js
diff --git a/app/store/migrations/025.test.ts b/app/store/migrations/025.test.js
similarity index 100%
rename from app/store/migrations/025.test.ts
rename to app/store/migrations/025.test.js
diff --git a/app/store/migrations/026.test.ts b/app/store/migrations/026.test.js
similarity index 100%
rename from app/store/migrations/026.test.ts
rename to app/store/migrations/026.test.js
diff --git a/app/store/migrations/027.test.ts b/app/store/migrations/027.test.js
similarity index 100%
rename from app/store/migrations/027.test.ts
rename to app/store/migrations/027.test.js
diff --git a/app/util/dapp-url-list.ts b/app/util/dapp-url-list.js
similarity index 100%
rename from app/util/dapp-url-list.ts
rename to app/util/dapp-url-list.js
diff --git a/app/util/device/index.ts b/app/util/device/index.js
similarity index 100%
rename from app/util/device/index.ts
rename to app/util/device/index.js
diff --git a/app/util/gasUtils.ts b/app/util/gasUtils.js
similarity index 100%
rename from app/util/gasUtils.ts
rename to app/util/gasUtils.js
diff --git a/app/util/test/smart-contracts.ts b/app/util/test/smart-contracts.js
similarity index 100%
rename from app/util/test/smart-contracts.ts
rename to app/util/test/smart-contracts.js
diff --git a/app/util/walletconnect.ts b/app/util/walletconnect.js
similarity index 100%
rename from app/util/walletconnect.ts
rename to app/util/walletconnect.js
diff --git a/jest.config.js b/jest.config.js
index 4fbf54a0c1d..c8c82e0f59a 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -39,8 +39,8 @@ const config = {
   coverageDirectory: '<rootDir>/tests/coverage',
   maxWorkers: process.env.NODE_ENV === 'production' ? '50%' : '20%',
   moduleNameMapper: {
-    '\\.svg': '<rootDir>/app/__mocks__/svgMock.ts',
-    '\\.png': '<rootDir>/app/__mocks__/pngMock.ts',
+    '\\.svg': '<rootDir>/app/__mocks__/svgMock.js',
+    '\\.png': '<rootDir>/app/__mocks__/pngMock.js',
     '\\webview/index.html': '<rootDir>/app/__mocks__/htmlMock.ts',
   },
   // Disable jest cache