diff --git a/IntegrationTests/IntegrationTestHarnessTest.js b/IntegrationTests/IntegrationTestHarnessTest.js
index 0489a0ae41972d..e1469dda1b418a 100644
--- a/IntegrationTests/IntegrationTestHarnessTest.js
+++ b/IntegrationTests/IntegrationTestHarnessTest.js
@@ -10,28 +10,22 @@
 
 'use strict';
 
-/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
- * found when Flow v0.54 was deployed. To see the error delete this comment and
- * run Flow. */
 const requestAnimationFrame = require('fbjs/lib/requestAnimationFrame');
 const React = require('react');
-const PropTypes = require('prop-types');
 const ReactNative = require('react-native');
 const {Text, View} = ReactNative;
 const {TestModule} = ReactNative.NativeModules;
 
-class IntegrationTestHarnessTest extends React.Component<
-  {
-    shouldThrow?: boolean,
-    waitOneFrame?: boolean,
-  },
-  $FlowFixMeState,
-> {
-  static propTypes = {
-    shouldThrow: PropTypes.bool,
-    waitOneFrame: PropTypes.bool,
-  };
+type Props = $ReadOnly<{|
+  shouldThrow?: boolean,
+  waitOneFrame?: boolean,
+|}>;
+
+type State = {|
+  done: boolean,
+|};
 
+class IntegrationTestHarnessTest extends React.Component<Props, State> {
   state = {
     done: false,
   };
diff --git a/Libraries/Components/TextInput/InputAccessoryView.js b/Libraries/Components/TextInput/InputAccessoryView.js
index 7bd7f7d04d6955..2e7f906096c3b0 100644
--- a/Libraries/Components/TextInput/InputAccessoryView.js
+++ b/Libraries/Components/TextInput/InputAccessoryView.js
@@ -10,7 +10,6 @@
 'use strict';
 
 const DeprecatedColorPropType = require('DeprecatedColorPropType');
-const DeprecatedViewPropTypes = require('DeprecatedViewPropTypes');
 const Platform = require('Platform');
 const React = require('React');
 const StyleSheet = require('StyleSheet');
@@ -19,6 +18,8 @@ const requireNativeComponent = require('requireNativeComponent');
 
 const RCTInputAccessoryView = requireNativeComponent('RCTInputAccessoryView');
 
+import type {ViewStyleProp} from 'StyleSheet';
+
 /**
  * Note: iOS only
  *
@@ -77,16 +78,16 @@ const RCTInputAccessoryView = requireNativeComponent('RCTInputAccessoryView');
  * For an example, look at InputAccessoryViewExample.js in RNTester.
  */
 
-type Props = {
+type Props = $ReadOnly<{|
   +children: React.Node,
   /**
    * An ID which is used to associate this `InputAccessoryView` to
    * specified TextInput(s).
    */
-  nativeID?: string,
-  style?: DeprecatedViewPropTypes.style,
-  backgroundColor?: DeprecatedColorPropType,
-};
+  nativeID?: ?string,
+  style?: ?ViewStyleProp,
+  backgroundColor?: ?DeprecatedColorPropType,
+|}>;
 
 class InputAccessoryView extends React.Component<Props> {
   render(): React.Node {