diff --git a/.flowconfig b/.flowconfig
deleted file mode 100644
index 18ff414..0000000
--- a/.flowconfig
+++ /dev/null
@@ -1,88 +0,0 @@
-[ignore]
-; This flowconfig is forked by platform - the only difference between them is which suffix is ignored.
-.*/*[.]android.js
-;.*/*[.]ios.js
-
-; Ignore templates for 'react-native init'
-.*/local-cli/templates/.*
-
-; Ignore the Dangerfile
-node_modules/react-native/bots/dangerfile.js
-
-; Ignore "BUCK" generated dirs
-node_modules/react-native/\.buckd/
-
-; Ignore unexpected extra "@providesModule"
-.*/node_modules/.*/node_modules/fbjs/.*
-
-; Ignore duplicate module providers
-; For RN Apps installed via npm, "Libraries" folder is inside
-; "node_modules/react-native" but in the source repo it is in the root
-.*/Libraries/react-native/React.js
-
-; Ignore polyfills
-.*/Libraries/polyfills/.*
-
-; Ignore metro
-.*/node_modules/metro/.*
-
-; Ignore "config-chain"'s test folder - it has a corrupt JSON file that's tripping flow
-.*/node_modules/config-chain/test/*.
-
-; These should not be required directly
-; require from fbjs/lib instead: require('fbjs/lib/invariant')
-.*/node_modules/invariant/.*
-.*/node_modules/warning/.*
-
-[include]
-
-[libs]
-node_modules/react-native/Libraries/react-native/react-native-interface.js
-node_modules/react-native/flow/
-node_modules/react-native/flow-github/
-
-[lints]
-
-[options]
-emoji=true
-
-esproposal.optional_chaining=enable
-esproposal.nullish_coalescing=enable
-
-module.system=haste
-module.system.haste.use_name_reducers=true
-# keep the following in sync with server/haste/hasteImpl.js
-# get basename
-module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
-# strip .js or .js.flow suffix
-module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
-# strip platform suffix
-module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
-module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
-module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
-module.system.haste.paths.blacklist=.*/__tests__/.*
-module.system.haste.paths.blacklist=.*/__mocks__/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/js/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/RNTester/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/IntegrationTests/.*
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
-; Surpress error `Duplicate module provider` until the slimmening is done
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Components/WebView/*.
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Components/WKWebView/*.
-
-munge_underscores=true
-
-module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
-
-suppress_type=$FlowIssue
-suppress_type=$FlowFixMe
-suppress_type=$FlowFixMeProps
-suppress_type=$FlowFixMeState
-
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*[react_native\\(_android\\)?_oss|react_native\\(_android\\)?_fb][a-z,_]*\\)?)\\)
-suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*[react_native\\(_android\\)?_oss|react_native\\(_android\\)?_fb][a-z,_]*\\)?)\\)?:? #[0-9]+
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
-suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
-
-[strict]
diff --git a/.flowconfig.android b/.flowconfig.android
deleted file mode 100644
index 42f0de1..0000000
--- a/.flowconfig.android
+++ /dev/null
@@ -1,88 +0,0 @@
-[ignore]
-; This flowconfig is forked by platform - the only difference between them is which suffix is ignored.
-;.*/*[.]android.js
-.*/*[.]ios.js
-
-; Ignore templates for 'react-native init'
-.*/local-cli/templates/.*
-
-; Ignore the Dangerfile
-node_modules/react-native/bots/dangerfile.js
-
-; Ignore "BUCK" generated dirs
-node_modules/react-native/\.buckd/
-
-; Ignore unexpected extra "@providesModule"
-.*/node_modules/.*/node_modules/fbjs/.*
-
-; Ignore duplicate module providers
-; For RN Apps installed via npm, "Libraries" folder is inside
-; "node_modules/react-native" but in the source repo it is in the root
-.*/Libraries/react-native/React.js
-
-; Ignore polyfills
-.*/Libraries/polyfills/.*
-
-; Ignore metro
-.*/node_modules/metro/.*
-
-; Ignore "config-chain"'s test folder - it has a corrupt JSON file that's tripping flow
-.*/node_modules/config-chain/test/*.
-
-; These should not be required directly
-; require from fbjs/lib instead: require('fbjs/lib/invariant')
-.*/node_modules/invariant/.*
-.*/node_modules/warning/.*
-
-[include]
-
-[libs]
-node_modules/react-native/Libraries/react-native/react-native-interface.js
-node_modules/react-native/flow/
-node_modules/react-native/flow-github/
-
-[lints]
-
-[options]
-emoji=true
-
-esproposal.optional_chaining=enable
-esproposal.nullish_coalescing=enable
-
-module.system=haste
-module.system.haste.use_name_reducers=true
-# keep the following in sync with server/haste/hasteImpl.js
-# get basename
-module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
-# strip .js or .js.flow suffix
-module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
-# strip platform suffix
-module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
-module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
-module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
-module.system.haste.paths.blacklist=.*/__tests__/.*
-module.system.haste.paths.blacklist=.*/__mocks__/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/js/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/RNTester/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/IntegrationTests/.*
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
-; Surpress error `Duplicate module provider` until the slimmening is done
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Components/WebView/*.
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Components/WKWebView/*.
-
-munge_underscores=true
-
-module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
-
-suppress_type=$FlowIssue
-suppress_type=$FlowFixMe
-suppress_type=$FlowFixMeProps
-suppress_type=$FlowFixMeState
-
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*[react_native\\(_android\\)?_oss|react_native\\(_android\\)?_fb][a-z,_]*\\)?)\\)
-suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*[react_native\\(_android\\)?_oss|react_native\\(_android\\)?_fb][a-z,_]*\\)?)\\)?:? #[0-9]+
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
-suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
-
-[strict]
diff --git a/package.json b/package.json
index 08a18f4..feed8d5 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "prebuild": "rimraf lib",
-    "prepare": "yarn run build",
+    "prepare": "npm run build",
     "build": "tsc -p tsconfig.base.json && cp ./index.js ./lib/index.js",
     "ci:publish": "yarn semantic-release",
     "ci:test": "yarn ci:test:build",