diff --git a/packages/react-reconciler/src/ReactFiberLane.new.js b/packages/react-reconciler/src/ReactFiberLane.new.js
index e4280582e80cd..5f14a3140e30f 100644
--- a/packages/react-reconciler/src/ReactFiberLane.new.js
+++ b/packages/react-reconciler/src/ReactFiberLane.new.js
@@ -36,10 +36,7 @@ export type Lane = number;
 export type LaneMap<T> = Array<T>;
 
 import invariant from 'shared/invariant';
-import {
-  enableCache,
-  enableNonInterruptingNormalPri,
-} from 'shared/ReactFeatureFlags';
+import {enableCache} from 'shared/ReactFeatureFlags';
 
 import {
   ImmediatePriority as ImmediateSchedulerPriority,
@@ -348,8 +345,7 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
       // Default priority updates should not interrupt transition updates. The
       // only difference between default updates and transition updates is that
       // default updates do not support refresh transitions.
-      (enableNonInterruptingNormalPri &&
-        nextLanePriority === DefaultLanePriority &&
+      (nextLanePriority === DefaultLanePriority &&
         wipLanePriority === TransitionPriority)
     ) {
       // Keep working on the existing in-progress tree. Do not interrupt.
diff --git a/packages/react-reconciler/src/ReactFiberLane.old.js b/packages/react-reconciler/src/ReactFiberLane.old.js
index fe7d6eb7508c8..3c3eab4c8612f 100644
--- a/packages/react-reconciler/src/ReactFiberLane.old.js
+++ b/packages/react-reconciler/src/ReactFiberLane.old.js
@@ -36,10 +36,7 @@ export type Lane = number;
 export type LaneMap<T> = Array<T>;
 
 import invariant from 'shared/invariant';
-import {
-  enableCache,
-  enableNonInterruptingNormalPri,
-} from 'shared/ReactFeatureFlags';
+import {enableCache} from 'shared/ReactFeatureFlags';
 
 import {
   ImmediatePriority as ImmediateSchedulerPriority,
@@ -348,8 +345,7 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
       // Default priority updates should not interrupt transition updates. The
       // only difference between default updates and transition updates is that
       // default updates do not support refresh transitions.
-      (enableNonInterruptingNormalPri &&
-        nextLanePriority === DefaultLanePriority &&
+      (nextLanePriority === DefaultLanePriority &&
         wipLanePriority === TransitionPriority)
     ) {
       // Keep working on the existing in-progress tree. Do not interrupt.
diff --git a/packages/react-reconciler/src/__tests__/ReactTransition-test.js b/packages/react-reconciler/src/__tests__/ReactTransition-test.js
index 25072eb465ad9..09ba5dded7307 100644
--- a/packages/react-reconciler/src/__tests__/ReactTransition-test.js
+++ b/packages/react-reconciler/src/__tests__/ReactTransition-test.js
@@ -946,33 +946,17 @@ describe('ReactTransition', () => {
       updateNormalPri();
     });
 
-    if (gate(flags => flags.enableNonInterruptingNormalPri)) {
-      expect(Scheduler).toHaveYielded([
-        // Finish transition update.
-        'Normal pri: 0',
-        'Commit',
-
-        // Normal pri update.
-        'Transition pri: 1',
-        'Normal pri: 1',
-        'Commit',
-      ]);
-
-      expect(root).toMatchRenderedOutput('Transition pri: 1, Normal pri: 1');
-    } else {
-      expect(Scheduler).toHaveYielded([
-        // Interrupt! Render normal pri update.
-        'Transition pri: 0',
-        'Normal pri: 1',
-        'Commit',
+    expect(Scheduler).toHaveYielded([
+      // Finish transition update.
+      'Normal pri: 0',
+      'Commit',
 
-        // Restart transition update.
-        'Transition pri: 1',
-        'Normal pri: 1',
-        'Commit',
-      ]);
+      // Normal pri update.
+      'Transition pri: 1',
+      'Normal pri: 1',
+      'Commit',
+    ]);
 
-      expect(root).toMatchRenderedOutput('Transition pri: 1, Normal pri: 1');
-    }
+    expect(root).toMatchRenderedOutput('Transition pri: 1, Normal pri: 1');
   });
 });
diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 3d0362f4b3fcd..778881bc5837d 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -147,8 +147,6 @@ export const enableRecursiveCommitTraversal = false;
 
 export const disableSchedulerTimeoutInWorkLoop = false;
 
-export const enableNonInterruptingNormalPri = false;
-
 export const enableDiscreteEventMicroTasks = false;
 
 export const enableNativeEventPriorityInference = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb.js b/packages/shared/forks/ReactFeatureFlags.native-fb.js
index f97f4f428c181..6544be4cbe040 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index 9d160790b3fec..a6482da52d524 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index 52990e5ec7b71..343bb609b4d25 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
index 3c739b7bccb39..e9ad4240a6fc3 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index fb2211763c03d..2afc959952aca 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.testing.js b/packages/shared/forks/ReactFeatureFlags.testing.js
index 34e6d5315742f..d79a63c577892 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.testing.www.js b/packages/shared/forks/ReactFeatureFlags.testing.www.js
index 4f0c56733eafd..732360618f6bf 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 enableNonInterruptingNormalPri = false;
 export const enableDiscreteEventMicroTasks = false;
 export const enableNativeEventPriorityInference = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
index b6e1d4260cc4a..daf49b2ab2255 100644
--- a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
+++ b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
@@ -55,6 +55,5 @@ export const enableUseRefAccessWarning = __VARIANT__;
 
 export const enableProfilerNestedUpdateScheduledHook = __VARIANT__;
 export const disableSchedulerTimeoutInWorkLoop = __VARIANT__;
-export const enableNonInterruptingNormalPri = __VARIANT__;
 export const enableDiscreteEventMicroTasks = __VARIANT__;
 export const enableNativeEventPriorityInference = __VARIANT__;
diff --git a/packages/shared/forks/ReactFeatureFlags.www.js b/packages/shared/forks/ReactFeatureFlags.www.js
index 924fd6ea9e5bd..2d983a3e8f81d 100644
--- a/packages/shared/forks/ReactFeatureFlags.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.www.js
@@ -31,7 +31,6 @@ export const {
   enableUseRefAccessWarning,
   disableNativeComponentFrames,
   disableSchedulerTimeoutInWorkLoop,
-  enableNonInterruptingNormalPri,
   enableDiscreteEventMicroTasks,
   enableNativeEventPriorityInference,
 } = dynamicFeatureFlags;