diff --git a/platform/core-api/src/com/intellij/openapi/application/ThreadingSupport.kt b/platform/core-api/src/com/intellij/openapi/application/ThreadingSupport.kt
index 9b762bbe6738..58c7682c52e4 100644
--- a/platform/core-api/src/com/intellij/openapi/application/ThreadingSupport.kt
+++ b/platform/core-api/src/com/intellij/openapi/application/ThreadingSupport.kt
@@ -197,12 +197,6 @@ interface ThreadingSupport {
   @ApiStatus.Internal
   fun removeWriteLockReacquisitionListener(listener: WriteLockReacquisitionListener)
 
-  @ApiStatus.Internal
-  fun setLegacyIndicatorProvider(provider: LegacyProgressIndicatorProvider)
-
-  @ApiStatus.Internal
-  fun removeLegacyIndicatorProvider(provider: LegacyProgressIndicatorProvider)
-
   /**
    * Prevents any attempt to use R/W locks inside [action].
    */
diff --git a/platform/locking.impl/src/NestedLocksThreadingSupport.kt b/platform/locking.impl/src/NestedLocksThreadingSupport.kt
index 9f350d9d15fe..549b746ed7e5 100644
--- a/platform/locking.impl/src/NestedLocksThreadingSupport.kt
+++ b/platform/locking.impl/src/NestedLocksThreadingSupport.kt
@@ -9,6 +9,7 @@ import com.intellij.openapi.application.*
 import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.progress.Cancellation
 import com.intellij.openapi.util.text.StringUtil
+import com.intellij.platform.locking.impl.listeners.LegacyProgressIndicatorProvider
 import com.intellij.platform.locking.impl.listeners.LockAcquisitionListener
 import com.intellij.util.ReflectionUtil
 import kotlinx.coroutines.*
@@ -842,14 +843,14 @@ class NestedLocksThreadingSupport : ThreadingSupport {
   }
 
   @ApiStatus.Internal
-  override fun setLegacyIndicatorProvider(provider: LegacyProgressIndicatorProvider) {
+  fun setLegacyIndicatorProvider(provider: LegacyProgressIndicatorProvider) {
     if (myLegacyProgressIndicatorProvider != null)
       error("LegacyProgressIndicatorProvider already registered")
     myLegacyProgressIndicatorProvider = provider
   }
 
   @ApiStatus.Internal
-  override fun removeLegacyIndicatorProvider(provider: LegacyProgressIndicatorProvider) {
+  fun removeLegacyIndicatorProvider(provider: LegacyProgressIndicatorProvider) {
     if (myLegacyProgressIndicatorProvider != provider)
       error("LegacyProgressIndicatorProvider is not registered")
     myLegacyProgressIndicatorProvider = null
diff --git a/platform/core-api/src/com/intellij/openapi/application/LegacyProgressIndicatorProvider.kt b/platform/locking.impl/src/listeners/LegacyProgressIndicatorProvider.kt
similarity index 90%
rename from platform/core-api/src/com/intellij/openapi/application/LegacyProgressIndicatorProvider.kt
rename to platform/locking.impl/src/listeners/LegacyProgressIndicatorProvider.kt
index 48264516aa29..db410cdf4de3 100644
--- a/platform/core-api/src/com/intellij/openapi/application/LegacyProgressIndicatorProvider.kt
+++ b/platform/locking.impl/src/listeners/LegacyProgressIndicatorProvider.kt
@@ -1,5 +1,5 @@
 // Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.openapi.application
+package com.intellij.platform.locking.impl.listeners
 
 import org.jetbrains.annotations.ApiStatus
 
@@ -14,4 +14,4 @@ interface LegacyProgressIndicatorProvider {
   interface LegacyProgressIndicator {
     fun checkCanceled()
   }
-}
+}
\ No newline at end of file
diff --git a/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java b/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
index 8f35d676df53..1231918849c7 100644
--- a/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
@@ -46,6 +46,7 @@ import com.intellij.platform.diagnostic.telemetry.TelemetryManager;
 import com.intellij.platform.diagnostic.telemetry.helpers.TraceKt;
 import com.intellij.platform.locking.impl.IntelliJLockingUtil;
 import com.intellij.platform.locking.impl.NestedLocksThreadingSupport;
+import com.intellij.platform.locking.impl.listeners.LegacyProgressIndicatorProvider;
 import com.intellij.platform.locking.impl.listeners.LockAcquisitionListener;
 import com.intellij.psi.util.ReadActionCache;
 import com.intellij.ui.ComponentUtil;
@@ -394,7 +395,7 @@ public final class ApplicationImpl extends ClientAwareComponentManager implement
     getThreadingSupport().removeWriteIntentReadActionListener(myLockDispatcherListener);
     lock.removeLockAcquisitionListener(myLockDispatcherListener);
     getThreadingSupport().removeWriteLockReacquisitionListener(myLockDispatcherListener);
-    getThreadingSupport().removeLegacyIndicatorProvider(myLegacyIndicatorProvider);
+    lock.removeLegacyIndicatorProvider(myLegacyIndicatorProvider);
 
     //noinspection deprecation
     myDispatcher.getMulticaster().applicationExiting();