diff --git a/packages/react-reconciler/src/SchedulerWithReactIntegration.new.js b/packages/react-reconciler/src/SchedulerWithReactIntegration.new.js
index cd8cb58c6cedc..70f26e5fc4167 100644
--- a/packages/react-reconciler/src/SchedulerWithReactIntegration.new.js
+++ b/packages/react-reconciler/src/SchedulerWithReactIntegration.new.js
@@ -13,10 +13,7 @@ import type {ReactPriorityLevel} from './ReactInternalTypes';
 // CommonJS interop named imports.
 import * as Scheduler from 'scheduler';
 import {__interactionsRef} from 'scheduler/tracing';
-import {
-  enableSchedulerTracing,
-  enableSyncMicroTasks,
-} from 'shared/ReactFeatureFlags';
+import {enableSchedulerTracing} from 'shared/ReactFeatureFlags';
 import invariant from 'shared/invariant';
 import {
   SyncLanePriority,
@@ -139,7 +136,7 @@ export function scheduleSyncCallback(callback: SchedulerCallback) {
 
     // TODO: Figure out how to remove this It's only here as a last resort if we
     // forget to explicitly flush.
-    if (enableSyncMicroTasks && supportsMicrotasks) {
+    if (supportsMicrotasks) {
       // Flush the queue in a microtask.
       scheduleMicrotask(flushSyncCallbackQueueImpl);
     } else {
diff --git a/packages/react-reconciler/src/SchedulerWithReactIntegration.old.js b/packages/react-reconciler/src/SchedulerWithReactIntegration.old.js
index 738ef2ea1afb7..3d0d0920fd22a 100644
--- a/packages/react-reconciler/src/SchedulerWithReactIntegration.old.js
+++ b/packages/react-reconciler/src/SchedulerWithReactIntegration.old.js
@@ -13,10 +13,7 @@ import type {ReactPriorityLevel} from './ReactInternalTypes';
 // CommonJS interop named imports.
 import * as Scheduler from 'scheduler';
 import {__interactionsRef} from 'scheduler/tracing';
-import {
-  enableSchedulerTracing,
-  enableSyncMicroTasks,
-} from 'shared/ReactFeatureFlags';
+import {enableSchedulerTracing} from 'shared/ReactFeatureFlags';
 import invariant from 'shared/invariant';
 import {
   SyncLanePriority,
@@ -139,7 +136,7 @@ export function scheduleSyncCallback(callback: SchedulerCallback) {
 
     // TODO: Figure out how to remove this It's only here as a last resort if we
     // forget to explicitly flush.
-    if (enableSyncMicroTasks && supportsMicrotasks) {
+    if (supportsMicrotasks) {
       // Flush the queue in a microtask.
       scheduleMicrotask(flushSyncCallbackQueueImpl);
     } else {
diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 75ab4b6842d90..77079bba3a6a1 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -150,6 +150,4 @@ export const enableRecursiveCommitTraversal = false;
 
 export const disableSchedulerTimeoutInWorkLoop = false;
 
-export const enableSyncMicroTasks = false;
-
 export const enableLazyContextPropagation = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb.js b/packages/shared/forks/ReactFeatureFlags.native-fb.js
index b6a8016ec8b77..2e2f64e4bc5d0 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-fb.js
@@ -57,7 +57,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index cb8721af25fe9..34ee7d2b7a843 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-oss.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-oss.js
@@ -56,7 +56,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index b504491d98de2..bd5e91885ca44 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
@@ -56,7 +56,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
index ddab49284e437..70c5dc4144ee8 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
@@ -56,7 +56,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index 7098bfed2aa5b..df6bbdf03fbed 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -56,7 +56,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.testing.js b/packages/shared/forks/ReactFeatureFlags.testing.js
index a321f5ea12f92..42003be9a388b 100644
--- a/packages/shared/forks/ReactFeatureFlags.testing.js
+++ b/packages/shared/forks/ReactFeatureFlags.testing.js
@@ -56,7 +56,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.testing.www.js b/packages/shared/forks/ReactFeatureFlags.testing.www.js
index bb6a952355657..5ab680976a9e4 100644
--- a/packages/shared/forks/ReactFeatureFlags.testing.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.testing.www.js
@@ -56,7 +56,6 @@ export const enableUseRefAccessWarning = false;
 
 export const enableRecursiveCommitTraversal = false;
 export const disableSchedulerTimeoutInWorkLoop = false;
-export const enableSyncMicroTasks = false;
 export const enableLazyContextPropagation = false;
 
 // Flow magic to verify the exports of this file match the original version.
diff --git a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
index df98012634970..e2496510ef24c 100644
--- a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
+++ b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
@@ -55,5 +55,4 @@ export const enableUseRefAccessWarning = __VARIANT__;
 
 export const enableProfilerNestedUpdateScheduledHook = __VARIANT__;
 export const disableSchedulerTimeoutInWorkLoop = __VARIANT__;
-export const enableSyncMicroTasks = __VARIANT__;
 export const enableLazyContextPropagation = __VARIANT__;
diff --git a/packages/shared/forks/ReactFeatureFlags.www.js b/packages/shared/forks/ReactFeatureFlags.www.js
index 893c2699b0d07..c29856558751e 100644
--- a/packages/shared/forks/ReactFeatureFlags.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.www.js
@@ -31,7 +31,6 @@ export const {
   enableUseRefAccessWarning,
   disableNativeComponentFrames,
   disableSchedulerTimeoutInWorkLoop,
-  enableSyncMicroTasks,
   enableLazyContextPropagation,
 } = dynamicFeatureFlags;