diff --git a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm
index 1d112b51c1c88f..039d033984cb96 100644
--- a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm
@@ -24,21 +24,12 @@ - (instancetype)init
     _heightConstraint = [_safeAreaContainer.heightAnchor constraintEqualToConstant:0];
     _heightConstraint.active = YES;
 
-    if (@available(iOS 11.0, *)) {
-      [NSLayoutConstraint activateConstraints:@[
-        [_safeAreaContainer.bottomAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.bottomAnchor],
-        [_safeAreaContainer.topAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.topAnchor],
-        [_safeAreaContainer.leadingAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.leadingAnchor],
-        [_safeAreaContainer.trailingAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.trailingAnchor]
-      ]];
-    } else {
-      [NSLayoutConstraint activateConstraints:@[
-        [_safeAreaContainer.bottomAnchor constraintEqualToAnchor:self.bottomAnchor],
-        [_safeAreaContainer.topAnchor constraintEqualToAnchor:self.topAnchor],
-        [_safeAreaContainer.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
-        [_safeAreaContainer.trailingAnchor constraintEqualToAnchor:self.trailingAnchor]
-      ]];
-    }
+    [NSLayoutConstraint activateConstraints:@[
+      [_safeAreaContainer.bottomAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.bottomAnchor],
+      [_safeAreaContainer.topAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.topAnchor],
+      [_safeAreaContainer.leadingAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.leadingAnchor],
+      [_safeAreaContainer.trailingAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.trailingAnchor]
+    ]];
   }
   return self;
 }
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm
index 80514c2a54f6ca..c1b8ce67aae538 100644
--- a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm
+++ b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm
@@ -30,12 +30,10 @@ + (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key
 - (instancetype)initWithFrame:(CGRect)frame
 {
   if (self = [super initWithFrame:frame]) {
-    if (@available(iOS 11.0, *)) {
-      // We set the default behavior to "never" so that iOS
-      // doesn't do weird things to UIScrollView insets automatically
-      // and keeps it as an opt-in behavior.
-      self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
-    }
+    // We set the default behavior to "never" so that iOS
+    // doesn't do weird things to UIScrollView insets automatically
+    // and keeps it as an opt-in behavior.
+    self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
 
     // We intentionally force `UIScrollView`s `semanticContentAttribute` to `LTR` here
     // because this attribute affects a position of vertical scrollbar; we don't want this
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm
index d1d8cc3f2ae266..b94553b5abcd07 100644
--- a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm
@@ -258,18 +258,16 @@ - (void)updateProps:(Props::Shared const &)props oldProps:(Props::Shared const &
     }
   }
 
-  if (@available(iOS 11.0, *)) {
-    if (oldScrollViewProps.contentInsetAdjustmentBehavior != newScrollViewProps.contentInsetAdjustmentBehavior) {
-      auto const contentInsetAdjustmentBehavior = newScrollViewProps.contentInsetAdjustmentBehavior;
-      if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::Never) {
-        scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
-      } else if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::Automatic) {
-        scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAutomatic;
-      } else if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::ScrollableAxes) {
-        scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAutomatic;
-      } else if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::Always) {
-        scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAlways;
-      }
+  if (oldScrollViewProps.contentInsetAdjustmentBehavior != newScrollViewProps.contentInsetAdjustmentBehavior) {
+    auto const contentInsetAdjustmentBehavior = newScrollViewProps.contentInsetAdjustmentBehavior;
+    if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::Never) {
+      scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+    } else if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::Automatic) {
+      scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAutomatic;
+    } else if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::ScrollableAxes) {
+      scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAutomatic;
+    } else if (contentInsetAdjustmentBehavior == ContentInsetAdjustmentBehavior::Always) {
+      scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAlways;
     }
   }
 
diff --git a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
index a861c36c38aefa..5212f8b5857fe3 100644
--- a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
+++ b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
@@ -210,13 +210,10 @@ UITextContentType RCTUITextContentTypeFromString(std::string const &contentType)
       @"streetAddressLine2" : UITextContentTypeStreetAddressLine2,
       @"sublocality" : UITextContentTypeSublocality,
       @"telephoneNumber" : UITextContentTypeTelephoneNumber,
+      @"username" : UITextContentTypeUsername,
+      @"password" : UITextContentTypePassword,
     } mutableCopy];
 
-    if (@available(iOS 11.0, *)) {
-      [mutableContentTypeMap
-          addEntriesFromDictionary:@{@"username" : UITextContentTypeUsername, @"password" : UITextContentTypePassword}];
-    }
-
     if (@available(iOS 12.0, *)) {
       [mutableContentTypeMap addEntriesFromDictionary:@{
         @"newPassword" : UITextContentTypeNewPassword,
diff --git a/React/Views/ScrollView/RCTScrollView.m b/React/Views/ScrollView/RCTScrollView.m
index eb8f90e1cd9351..f89e17d040f4e3 100644
--- a/React/Views/ScrollView/RCTScrollView.m
+++ b/React/Views/ScrollView/RCTScrollView.m
@@ -289,9 +289,7 @@ - (instancetype)initWithEventDispatcher:(id<RCTEventDispatcherProtocol>)eventDis
     // We set the default behavior to "never" so that iOS
     // doesn't do weird things to UIScrollView insets automatically
     // and keeps it as an opt-in behavior.
-    if ([_scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
-      _scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
-    }
+    _scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
 
     _automaticallyAdjustContentInsets = YES;
     _contentInset = UIEdgeInsetsZero;
@@ -937,11 +935,9 @@ - (void)setAutomaticallyAdjustsScrollIndicatorInsets:(BOOL)automaticallyAdjusts
 - (void)setContentInsetAdjustmentBehavior:(UIScrollViewContentInsetAdjustmentBehavior)behavior
 {
   // `contentInsetAdjustmentBehavior` is available since iOS 11.
-  if ([_scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
-    CGPoint contentOffset = _scrollView.contentOffset;
-    _scrollView.contentInsetAdjustmentBehavior = behavior;
-    _scrollView.contentOffset = contentOffset;
-  }
+  CGPoint contentOffset = _scrollView.contentOffset;
+  _scrollView.contentInsetAdjustmentBehavior = behavior;
+  _scrollView.contentOffset = contentOffset;
 }
 
 - (void)sendScrollEventWithName:(NSString *)eventName
diff --git a/ReactCommon/react/renderer/graphics/platform/ios/RCTPlatformColorUtils.mm b/ReactCommon/react/renderer/graphics/platform/ios/RCTPlatformColorUtils.mm
index baa232423a85b1..6143162af52886 100644
--- a/ReactCommon/react/renderer/graphics/platform/ios/RCTPlatformColorUtils.mm
+++ b/ReactCommon/react/renderer/graphics/platform/ios/RCTPlatformColorUtils.mm
@@ -187,16 +187,14 @@
 facebook::react::ColorComponents RCTPlatformColorComponentsFromSemanticItems(std::vector<std::string> &semanticItems)
 {
   for (const auto &semanticCString : semanticItems) {
-    if (@available(iOS 11.0, *)) {
-      NSString *semanticNSString = _NSStringFromCString(semanticCString);
-      UIColor *uiColor = [UIColor colorNamed:semanticNSString];
-      if (uiColor != nil) {
-        return _ColorComponentsFromUIColor(uiColor);
-      }
-      uiColor = _UIColorFromSemanticString(semanticNSString);
-      if (uiColor != nil) {
-        return _ColorComponentsFromUIColor(uiColor);
-      }
+    NSString *semanticNSString = _NSStringFromCString(semanticCString);
+    UIColor *uiColor = [UIColor colorNamed:semanticNSString];
+    if (uiColor != nil) {
+      return _ColorComponentsFromUIColor(uiColor);
+    }
+    uiColor = _UIColorFromSemanticString(semanticNSString);
+    if (uiColor != nil) {
+      return _ColorComponentsFromUIColor(uiColor);
     }
   }