diff --git a/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js b/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js
index 4d5a2aeeb7df5..c0d269fa25ae5 100644
--- a/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js
@@ -58,7 +58,6 @@ describe('ReactIncrementalErrorHandling', () => {
     );
   }
 
-  // @gate experimental || !enableSyncDefaultUpdates
   it('recovers from errors asynchronously', () => {
     class ErrorBoundary extends React.Component {
       state = {error: null};
@@ -171,7 +170,6 @@ describe('ReactIncrementalErrorHandling', () => {
     expect(ReactNoop.getChildren()).toEqual([span('Caught an error: oops!')]);
   });
 
-  // @gate experimental || !enableSyncDefaultUpdates
   it('recovers from errors asynchronously (legacy, no getDerivedStateFromError)', () => {
     class ErrorBoundary extends React.Component {
       state = {error: null};
@@ -270,7 +268,6 @@ describe('ReactIncrementalErrorHandling', () => {
     expect(ReactNoop.getChildren()).toEqual([span('Caught an error: oops!')]);
   });
 
-  // @gate experimental
   it("retries at a lower priority if there's additional pending work", async () => {
     function App(props) {
       if (props.isBroken) {
@@ -378,7 +375,6 @@ describe('ReactIncrementalErrorHandling', () => {
     );
   });
 
-  // @gate experimental || !enableSyncDefaultUpdates
   it('retries one more time before handling error', () => {
     function BadRender({unused}) {
       Scheduler.unstable_yieldValue('BadRender');
@@ -429,7 +425,6 @@ describe('ReactIncrementalErrorHandling', () => {
     expect(ReactNoop.getChildren()).toEqual([]);
   });
 
-  // @gate experimental || !enableSyncDefaultUpdates
   it('retries one more time if an error occurs during a render that expires midway through the tree', async () => {
     function Oops({unused}) {
       Scheduler.unstable_yieldValue('Oops');
@@ -566,7 +561,6 @@ describe('ReactIncrementalErrorHandling', () => {
     expect(ReactNoop.getChildren()).toEqual([span('Caught an error: Hello.')]);
   });
 
-  // @gate experimental || !enableSyncDefaultUpdates
   it('catches render error in a boundary during partial deferred mounting', () => {
     class ErrorBoundary extends React.Component {
       state = {error: null};
@@ -757,7 +751,6 @@ describe('ReactIncrementalErrorHandling', () => {
     expect(ReactNoop.getChildren()).toEqual([]);
   });
 
-  // @gate experimental || !enableSyncDefaultUpdates
   it('propagates an error from a noop error boundary during partial deferred mounting', () => {
     class RethrowErrorBoundary extends React.Component {
       componentDidCatch(error) {
@@ -1842,7 +1835,6 @@ describe('ReactIncrementalErrorHandling', () => {
     });
   }
 
-  // @gate experimental
   it('uncaught errors should be discarded if the render is aborted', async () => {
     const root = ReactNoop.createRoot();
 
@@ -1875,7 +1867,6 @@ describe('ReactIncrementalErrorHandling', () => {
     expect(root).toMatchRenderedOutput('Everything is fine.');
   });
 
-  // @gate experimental
   it('uncaught errors are discarded if the render is aborted, case 2', async () => {
     const {useState} = React;
     const root = ReactNoop.createRoot();
diff --git a/packages/react-reconciler/src/__tests__/useMutableSourceHydration-test.js b/packages/react-reconciler/src/__tests__/useMutableSourceHydration-test.js
index 5a676c0562b9a..671a813f37ad0 100644
--- a/packages/react-reconciler/src/__tests__/useMutableSourceHydration-test.js
+++ b/packages/react-reconciler/src/__tests__/useMutableSourceHydration-test.js
@@ -370,6 +370,7 @@ describe('useMutableSourceHydration', () => {
     expect(Scheduler).toHaveYielded(['0:a:one', '1:b:two']);
   });
 
+  // @gate !enableSyncDefaultUpdates
   it('should detect a tear during a higher priority interruption', () => {
     const source = createSource('one');
     const mutableSource = createMutableSource(source, param => param.version);