diff --git a/Libraries/Components/ScrollView/ScrollView.js b/Libraries/Components/ScrollView/ScrollView.js
index 9064bb15e1a346..fa8ceb0a9fbd03 100644
--- a/Libraries/Components/ScrollView/ScrollView.js
+++ b/Libraries/Components/ScrollView/ScrollView.js
@@ -291,15 +291,6 @@ type IOSProps = $ReadOnly<{|
     | 'never'
     | 'always'
   ),
-  /**
-   * When true, ScrollView will emit updateChildFrames data in scroll events,
-   * otherwise will not compute or emit child frame data.  This only exists
-   * to support legacy issues, `onLayout` should be used instead to retrieve
-   * frame data.
-   * The default value is false.
-   * @platform ios
-   */
-  DEPRECATED_sendUpdatedChildFrames?: ?boolean,
 |}>;
 
 type AndroidProps = $ReadOnly<{|
@@ -1147,9 +1138,6 @@ class ScrollView extends React.Component<Props, State> {
         ? this.props.alwaysBounceVertical
         : !this.props.horizontal;
 
-    const DEPRECATED_sendUpdatedChildFrames = !!this.props
-      .DEPRECATED_sendUpdatedChildFrames;
-
     const baseStyle =
       this.props.horizontal === true
         ? styles.baseHorizontal
@@ -1197,7 +1185,6 @@ class ScrollView extends React.Component<Props, State> {
         this.props.onMomentumScrollBegin || this.props.onMomentumScrollEnd
           ? true
           : false,
-      DEPRECATED_sendUpdatedChildFrames,
       // default to true
       snapToStart: this.props.snapToStart !== false,
       // default to true
diff --git a/Libraries/Components/ScrollView/ScrollViewNativeComponentType.js b/Libraries/Components/ScrollView/ScrollViewNativeComponentType.js
index 4004a6bfb9dc9e..a6366e8b62b347 100644
--- a/Libraries/Components/ScrollView/ScrollViewNativeComponentType.js
+++ b/Libraries/Components/ScrollView/ScrollViewNativeComponentType.js
@@ -77,7 +77,6 @@ export type ScrollViewNativeProps = $ReadOnly<{
   snapToOffsets?: ?$ReadOnlyArray<number>,
   snapToStart?: ?boolean,
   zoomScale?: ?number,
-  DEPRECATED_sendUpdatedChildFrames?: ?boolean,
   // Overrides
   style?: {...ViewStyleProp, ...} | DangerouslyImpreciseStyle,
   onResponderGrant?: ?(e: any) => void | boolean,
diff --git a/Libraries/Components/ScrollView/ScrollViewViewConfig.js b/Libraries/Components/ScrollView/ScrollViewViewConfig.js
index 90adc39f12883a..b2a3a9246b343b 100644
--- a/Libraries/Components/ScrollView/ScrollViewViewConfig.js
+++ b/Libraries/Components/ScrollView/ScrollViewViewConfig.js
@@ -69,8 +69,6 @@ const ScrollViewViewConfig = {
     snapToOffsets: true,
     snapToStart: true,
     zoomScale: true,
-
-    DEPRECATED_sendUpdatedChildFrames: true,
   },
 };
 
diff --git a/Libraries/Components/ScrollView/__tests__/__snapshots__/ScrollView-test.js.snap b/Libraries/Components/ScrollView/__tests__/__snapshots__/ScrollView-test.js.snap
index 084148d5792d17..1afba0ee035cd2 100644
--- a/Libraries/Components/ScrollView/__tests__/__snapshots__/ScrollView-test.js.snap
+++ b/Libraries/Components/ScrollView/__tests__/__snapshots__/ScrollView-test.js.snap
@@ -14,7 +14,6 @@ exports[`<ScrollView /> should render as expected: should deep render when mocke
 
 exports[`<ScrollView /> should render as expected: should deep render when not mocked (please verify output manually) 1`] = `
 <RCTScrollView
-  DEPRECATED_sendUpdatedChildFrames={false}
   alwaysBounceVertical={true}
   onContentSizeChange={null}
   onLayout={[Function]}
diff --git a/React/Views/ScrollView/RCTScrollView.m b/React/Views/ScrollView/RCTScrollView.m
index 56d63505b9e630..f448a7dec6e033 100644
--- a/React/Views/ScrollView/RCTScrollView.m
+++ b/React/Views/ScrollView/RCTScrollView.m
@@ -299,7 +299,6 @@ - (instancetype)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher
 #endif
 
     _automaticallyAdjustContentInsets = YES;
-    _DEPRECATED_sendUpdatedChildFrames = NO;
     _contentInset = UIEdgeInsetsZero;
     _contentSize = CGSizeZero;
     _lastClippedToRect = CGRectNull;
@@ -593,13 +592,7 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
    */
   if (_allowNextScrollNoMatterWhat ||
       (_scrollEventThrottle > 0 && _scrollEventThrottle < MAX(0.017, now - _lastScrollDispatchTime))) {
-    if (_DEPRECATED_sendUpdatedChildFrames) {
-      // Calculate changed frames
-      RCT_SEND_SCROLL_EVENT(onScroll, (@{@"updatedChildFrames" : [self calculateChildFramesData]}));
-    } else {
-      RCT_SEND_SCROLL_EVENT(onScroll, nil);
-    }
-
+    RCT_SEND_SCROLL_EVENT(onScroll, nil);
     // Update dispatch time
     _lastScrollDispatchTime = now;
     _allowNextScrollNoMatterWhat = NO;
diff --git a/React/Views/ScrollView/RCTScrollViewManager.m b/React/Views/ScrollView/RCTScrollViewManager.m
index dc895745db0175..2ac06cebca82fe 100644
--- a/React/Views/ScrollView/RCTScrollViewManager.m
+++ b/React/Views/ScrollView/RCTScrollViewManager.m
@@ -109,7 +109,6 @@ - (UIView *)view
 RCT_EXPORT_VIEW_PROPERTY(onScrollEndDrag, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(onMomentumScrollBegin, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(onMomentumScrollEnd, RCTDirectEventBlock)
-RCT_EXPORT_VIEW_PROPERTY(DEPRECATED_sendUpdatedChildFrames, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(inverted, BOOL)
 #if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
 RCT_EXPORT_VIEW_PROPERTY(contentInsetAdjustmentBehavior, UIScrollViewContentInsetAdjustmentBehavior)