diff --git a/packages/flutter/lib/src/material/bottom_navigation_bar.dart b/packages/flutter/lib/src/material/bottom_navigation_bar.dart
index 6e787788129..0f9cf05692e 100644
--- a/packages/flutter/lib/src/material/bottom_navigation_bar.dart
+++ b/packages/flutter/lib/src/material/bottom_navigation_bar.dart
@@ -605,7 +605,6 @@ class _BottomNavigationTile extends StatelessWidget {
 
     result = Semantics(
       selected: selected,
-      button: true,
       container: true,
       child: Stack(
         children: <Widget>[
diff --git a/packages/flutter/lib/src/material/dropdown.dart b/packages/flutter/lib/src/material/dropdown.dart
index 1f4a5e35fa3..c2abe0d8596 100644
--- a/packages/flutter/lib/src/material/dropdown.dart
+++ b/packages/flutter/lib/src/material/dropdown.dart
@@ -785,12 +785,9 @@ class _DropdownMenuItemContainer extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Semantics(
-      button: true,
-      child: ConstrainedBox(
-        constraints: const BoxConstraints(minHeight: _kMenuItemHeight),
-        child: Align(alignment: alignment, child: child),
-      ),
+    return ConstrainedBox(
+      constraints: const BoxConstraints(minHeight: _kMenuItemHeight),
+      child: Align(alignment: alignment, child: child),
     );
   }
 }
@@ -1586,9 +1583,9 @@ class _DropdownButtonState<T> extends State<DropdownButton<T>> with WidgetsBindi
         child: result,
       );
     }
-    final bool childHasButtonSemantic = hintIndex != null || (_selectedIndex != null && widget.selectedItemBuilder == null);
+
     return Semantics(
-      button: !childHasButtonSemantic,
+      button: true,
       child: Actions(
         actions: _actionMap,
         child: InkWell(
diff --git a/packages/flutter/test/material/bottom_navigation_bar_test.dart b/packages/flutter/test/material/bottom_navigation_bar_test.dart
index ea256354576..f0e65837bb7 100644
--- a/packages/flutter/test/material/bottom_navigation_bar_test.dart
+++ b/packages/flutter/test/material/bottom_navigation_bar_test.dart
@@ -2108,7 +2108,6 @@ void main() {
       matchesSemantics(
         label: 'AC\nTab 1 of 3',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         isSelected: true,
         hasTapAction: true,
@@ -2120,7 +2119,6 @@ void main() {
       matchesSemantics(
         label: 'Alarm\nTab 2 of 3',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         hasTapAction: true,
         hasFocusAction: true,
@@ -2131,7 +2129,6 @@ void main() {
       matchesSemantics(
         label: 'Hot Tub\nTab 3 of 3',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         hasTapAction: true,
         hasFocusAction: true,
@@ -2168,7 +2165,6 @@ void main() {
       matchesSemantics(
         label: 'AC\nTab 1 of 3',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         isSelected: true,
         hasTapAction: true,
@@ -2180,7 +2176,6 @@ void main() {
       matchesSemantics(
         label: 'Alarm\nTab 2 of 3',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         hasTapAction: true,
         hasFocusAction: true,
@@ -2191,7 +2186,6 @@ void main() {
       matchesSemantics(
         label: 'Hot Tub\nTab 3 of 3',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         hasTapAction: true,
         hasFocusAction: true,
@@ -2524,7 +2518,6 @@ void main() {
       matchesSemantics(
         label: 'Red\nTab 1 of 2',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         isSelected: true,
         hasTapAction: true,
@@ -2536,7 +2529,6 @@ void main() {
       matchesSemantics(
         label: 'Green\nTab 2 of 2',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         hasTapAction: true,
         hasFocusAction: true,
@@ -2571,7 +2563,6 @@ void main() {
       matchesSemantics(
         label: 'Red\nTab 1 of 2',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         isSelected: true,
         hasTapAction: true,
@@ -2583,7 +2574,6 @@ void main() {
       matchesSemantics(
         label: 'Green\nTab 2 of 2',
         textDirection: TextDirection.ltr,
-        isButton: true,
         isFocusable: true,
         hasTapAction: true,
         hasFocusAction: true,
@@ -2764,7 +2754,6 @@ void main() {
                           children: <TestSemantics>[
                             TestSemantics(
                               flags: <SemanticsFlag>[
-                                SemanticsFlag.isButton,
                                 SemanticsFlag.isSelected,
                                 SemanticsFlag.isFocusable,
                               ],
@@ -2773,10 +2762,7 @@ void main() {
                               textDirection: TextDirection.ltr,
                             ),
                             TestSemantics(
-                              flags: <SemanticsFlag>[
-                                SemanticsFlag.isButton,
-                                SemanticsFlag.isFocusable,
-                              ],
+                              flags: <SemanticsFlag>[SemanticsFlag.isFocusable],
                               actions: <SemanticsAction>[SemanticsAction.tap, SemanticsAction.focus],
                               label: 'B\nTab 2 of 2',
                               textDirection: TextDirection.ltr,
diff --git a/packages/flutter/test/material/dropdown_test.dart b/packages/flutter/test/material/dropdown_test.dart
index 135ef2dda64..c04ae2b1aa4 100644
--- a/packages/flutter/test/material/dropdown_test.dart
+++ b/packages/flutter/test/material/dropdown_test.dart
@@ -1296,7 +1296,7 @@ void main() {
     ));
 
     // By default the hint contributes the label.
-    expect(tester.getSemantics(find.text('test')), matchesSemantics(
+    expect(tester.getSemantics(find.byKey(key)), matchesSemantics(
       isButton: true,
       label: 'test',
       hasTapAction: true,
@@ -1311,8 +1311,8 @@ void main() {
       hint: const Text('test'),
     ));
 
-    // Displays label of select item.
-    expect(tester.getSemantics(find.text('three')), matchesSemantics(
+    // Displays label of select item and is no longer tappable.
+    expect(tester.getSemantics(find.byKey(key)), matchesSemantics(
       isButton: true,
       label: 'three',
       hasTapAction: true,
@@ -1358,7 +1358,6 @@ void main() {
                           label: 'one',
                           textDirection: TextDirection.ltr,
                           flags: <SemanticsFlag>[
-                            SemanticsFlag.isButton,
                             SemanticsFlag.isFocused,
                             SemanticsFlag.isFocusable,
                           ],
@@ -1368,30 +1367,21 @@ void main() {
                         TestSemantics(
                           label: 'two',
                           textDirection: TextDirection.ltr,
-                          flags: <SemanticsFlag>[
-                            SemanticsFlag.isButton,
-                            SemanticsFlag.isFocusable,
-                          ],
+                          flags: <SemanticsFlag>[SemanticsFlag.isFocusable],
                           tags: <SemanticsTag>[const SemanticsTag('RenderViewport.twoPane')],
                           actions: <SemanticsAction>[SemanticsAction.tap, SemanticsAction.focus],
                         ),
                         TestSemantics(
                           label: 'three',
                           textDirection: TextDirection.ltr,
-                          flags: <SemanticsFlag>[
-                            SemanticsFlag.isButton,
-                            SemanticsFlag.isFocusable,
-                          ],
+                          flags: <SemanticsFlag>[SemanticsFlag.isFocusable],
                           tags: <SemanticsTag>[const SemanticsTag('RenderViewport.twoPane')],
                           actions: <SemanticsAction>[SemanticsAction.tap, SemanticsAction.focus],
                         ),
                         TestSemantics(
                           label: 'four',
                           textDirection: TextDirection.ltr,
-                          flags: <SemanticsFlag>[
-                            SemanticsFlag.isButton,
-                            SemanticsFlag.isFocusable,
-                          ],
+                          flags: <SemanticsFlag>[SemanticsFlag.isFocusable],
                           tags: <SemanticsTag>[const SemanticsTag('RenderViewport.twoPane')],
                           actions: <SemanticsAction>[SemanticsAction.tap, SemanticsAction.focus],
                         ),