diff --git a/packages/react-dom/src/client/__tests__/trustedTypes-test.internal.js b/packages/react-dom/src/client/__tests__/trustedTypes-test.internal.js
index e6285a2ad496b..7ebf500cfdb14 100644
--- a/packages/react-dom/src/client/__tests__/trustedTypes-test.internal.js
+++ b/packages/react-dom/src/client/__tests__/trustedTypes-test.internal.js
@@ -74,7 +74,7 @@ describe('when Trusted Types are available in global object', () => {
         container,
       );
       expect(container.innerHTML).toBe('<div><b>Hi</b></div>');
-      // Second call to innerHTML is the ClearContainer check.
+      // Second call to innerHTML is the clearContainer check.
       expect(innerHTMLCalls.length).toBe(2);
       // Ensure it didn't get stringified when passed to a DOM sink:
       expect(innerHTMLCalls[0]).toBe(ttObject1);
diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.new.js b/packages/react-reconciler/src/ReactFiberCommitWork.new.js
index 3450575781b36..2e430f94b9a1c 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.new.js
@@ -70,7 +70,6 @@ import {
   Snapshot,
   Update,
   Passive,
-  ClearContainer,
 } from './ReactSideEffectTags';
 import getComponentName from 'shared/getComponentName';
 import invariant from 'shared/invariant';
@@ -299,7 +298,7 @@ function commitBeforeMutationLifeCycles(
     }
     case HostRoot: {
       if (supportsMutation) {
-        if (finishedWork.effectTag & ClearContainer) {
+        if (finishedWork.effectTag & Snapshot) {
           const root = finishedWork.stateNode;
           clearContainer(root.containerInfo);
         }
diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.old.js b/packages/react-reconciler/src/ReactFiberCommitWork.old.js
index 87fdc114f6d36..5b65fdded432a 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.old.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.old.js
@@ -68,7 +68,6 @@ import {
   Snapshot,
   Update,
   Passive,
-  ClearContainer,
 } from './ReactSideEffectTags';
 import getComponentName from 'shared/getComponentName';
 import invariant from 'shared/invariant';
@@ -297,7 +296,7 @@ function commitBeforeMutationLifeCycles(
     }
     case HostRoot: {
       if (supportsMutation) {
-        if (finishedWork.effectTag & ClearContainer) {
+        if (finishedWork.effectTag & Snapshot) {
           const root = finishedWork.stateNode;
           clearContainer(root.containerInfo);
         }
diff --git a/packages/react-reconciler/src/ReactFiberCompleteWork.new.js b/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
index 564c8c55c2654..bcd636e29701a 100644
--- a/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
@@ -63,7 +63,7 @@ import {
   Update,
   NoEffect,
   DidCapture,
-  ClearContainer,
+  Snapshot,
 } from './ReactSideEffectTags';
 import invariant from 'shared/invariant';
 
@@ -690,7 +690,7 @@ function completeWork(
           // This handles the case of React rendering into a container with previous children.
           // It's also safe to do for updates too, because current.child would only be null
           // if the previous render was null (so the the container would already be empty).
-          workInProgress.effectTag |= ClearContainer;
+          workInProgress.effectTag |= Snapshot;
         }
       }
       updateHostContainer(workInProgress);
diff --git a/packages/react-reconciler/src/ReactFiberCompleteWork.old.js b/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
index 746ff99a0f335..89201d5db4047 100644
--- a/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
+++ b/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
@@ -61,7 +61,7 @@ import {
   NoEffect,
   DidCapture,
   Deletion,
-  ClearContainer,
+  Snapshot,
 } from './ReactSideEffectTags';
 import invariant from 'shared/invariant';
 
@@ -684,7 +684,7 @@ function completeWork(
           // This handles the case of React rendering into a container with previous children.
           // It's also safe to do for updates too, because current.child would only be null
           // if the previous render was null (so the the container would already be empty).
-          workInProgress.effectTag |= ClearContainer;
+          workInProgress.effectTag |= Snapshot;
         }
       }
       updateHostContainer(workInProgress);
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
index ca9bd9af41be5..5d8b99cbc9a90 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
@@ -111,7 +111,6 @@ import {
   HostEffectMask,
   Hydrating,
   HydratingAndUpdate,
-  ClearContainer,
 } from './ReactSideEffectTags';
 import {
   NoWork,
@@ -2241,7 +2240,7 @@ function commitBeforeMutationEffects() {
       beforeActiveInstanceBlur();
     }
     const effectTag = nextEffect.effectTag;
-    if ((effectTag & (Snapshot | ClearContainer)) !== NoEffect) {
+    if ((effectTag & Snapshot) !== NoEffect) {
       setCurrentDebugFiberInDEV(nextEffect);
 
       const current = nextEffect.alternate;
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
index e3779a4fe7547..b95c8e2fa5c80 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
@@ -123,7 +123,6 @@ import {
   HostEffectMask,
   Hydrating,
   HydratingAndUpdate,
-  ClearContainer,
 } from './ReactSideEffectTags';
 import {
   NoWork,
@@ -2168,7 +2167,7 @@ function commitBeforeMutationEffects() {
       beforeActiveInstanceBlur();
     }
     const effectTag = nextEffect.effectTag;
-    if ((effectTag & (Snapshot | ClearContainer)) !== NoEffect) {
+    if ((effectTag & Snapshot) !== NoEffect) {
       setCurrentDebugFiberInDEV(nextEffect);
 
       const current = nextEffect.alternate;
diff --git a/packages/react-reconciler/src/ReactSideEffectTags.js b/packages/react-reconciler/src/ReactSideEffectTags.js
index 16a4bf1b93d6b..162b860c19eb3 100644
--- a/packages/react-reconciler/src/ReactSideEffectTags.js
+++ b/packages/react-reconciler/src/ReactSideEffectTags.js
@@ -10,30 +10,29 @@
 export type SideEffectTag = number;
 
 // Don't change these two values. They're used by React Dev Tools.
-export const NoEffect = /*                 */ 0b000000000000000;
-export const PerformedWork = /*            */ 0b000000000000001;
+export const NoEffect = /*                 */ 0b00000000000000;
+export const PerformedWork = /*            */ 0b00000000000001;
 
 // You can change the rest (and add more).
-export const Placement = /*                */ 0b000000000000010;
-export const Update = /*                   */ 0b000000000000100;
-export const PlacementAndUpdate = /*       */ 0b000000000000110;
-export const Deletion = /*                 */ 0b000000000001000;
-export const ContentReset = /*             */ 0b000000000010000;
-export const Callback = /*                 */ 0b000000000100000;
-export const DidCapture = /*               */ 0b000000001000000;
-export const Ref = /*                      */ 0b000000010000000;
-export const Snapshot = /*                 */ 0b000000100000000;
-export const Passive = /*                  */ 0b000001000000000;
-export const PassiveUnmountPendingDev = /* */ 0b010000000000000;
-export const Hydrating = /*                */ 0b000010000000000;
-export const HydratingAndUpdate = /*       */ 0b000010000000100;
-export const ClearContainer = /*           */ 0b100000000000000;
+export const Placement = /*                */ 0b00000000000010;
+export const Update = /*                   */ 0b00000000000100;
+export const PlacementAndUpdate = /*       */ 0b00000000000110;
+export const Deletion = /*                 */ 0b00000000001000;
+export const ContentReset = /*             */ 0b00000000010000;
+export const Callback = /*                 */ 0b00000000100000;
+export const DidCapture = /*               */ 0b00000001000000;
+export const Ref = /*                      */ 0b00000010000000;
+export const Snapshot = /*                 */ 0b00000100000000;
+export const Passive = /*                  */ 0b00001000000000;
+export const PassiveUnmountPendingDev = /* */ 0b10000000000000;
+export const Hydrating = /*                */ 0b00010000000000;
+export const HydratingAndUpdate = /*       */ 0b00010000000100;
 
 // Passive & Update & Callback & Ref & Snapshot
-export const LifecycleEffectMask = /*      */ 0b000001110100100;
+export const LifecycleEffectMask = /*      */ 0b00001110100100;
 
 // Union of all host effects
-export const HostEffectMask = /*           */ 0b000011111111111;
+export const HostEffectMask = /*           */ 0b00011111111111;
 
-export const Incomplete = /*               */ 0b000100000000000;
-export const ShouldCapture = /*            */ 0b001000000000000;
+export const Incomplete = /*               */ 0b00100000000000;
+export const ShouldCapture = /*            */ 0b01000000000000;