diff --git a/platform/util/intellij.platform.util.iml b/platform/util/intellij.platform.util.iml
index 0a3cb413e06a..022ffcb516af 100644
--- a/platform/util/intellij.platform.util.iml
+++ b/platform/util/intellij.platform.util.iml
@@ -42,6 +42,7 @@
     <orderEntry type="library" name="aalto-xml" level="project" />
     <orderEntry type="module" module-name="intellij.platform.util.xmlDom" />
     <orderEntry type="library" name="kotlinx-coroutines-core" level="project" />
+    <orderEntry type="module" module-name="intellij.platform.util.trove" />
   </component>
   <component name="copyright">
     <Base>
diff --git a/platform/util/src/com/intellij/openapi/util/io/FileUtil.java b/platform/util/src/com/intellij/openapi/util/io/FileUtil.java
index ce028b8caad4..9bad995e07da 100644
--- a/platform/util/src/com/intellij/openapi/util/io/FileUtil.java
+++ b/platform/util/src/com/intellij/openapi/util/io/FileUtil.java
@@ -13,6 +13,7 @@ import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.containers.JBIterable;
 import com.intellij.util.containers.JBTreeTraverser;
 import com.intellij.util.io.URLUtil;
+import gnu.trove.TObjectHashingStrategy;
 import org.intellij.lang.annotations.RegExp;
 import org.jetbrains.annotations.*;
 
@@ -42,6 +43,24 @@ public class FileUtil extends FileUtilRt {
 
   public static final int REGEX_PATTERN_FLAGS = SystemInfoRt.isFileSystemCaseSensitive ? 0 : Pattern.CASE_INSENSITIVE;
 
+  /**
+   * @deprecated use {@link com.intellij.util.containers.CollectionFactory#createFilePathSet()}, or other createFilePath*() methods from there
+   */
+  @Deprecated
+  @ApiStatus.ScheduledForRemoval
+  public static final TObjectHashingStrategy<File> FILE_HASHING_STRATEGY =
+    new TObjectHashingStrategy<File>() {
+      @Override
+      public int computeHashCode(File object) {
+        return fileHashCode(object);
+      }
+
+      @Override
+      public boolean equals(File o1, File o2) {
+        return filesEqual(o1, o2);
+      }
+    };
+
   private static final Logger LOG = Logger.getInstance(FileUtil.class);
 
   @Contract(pure = true)
diff --git a/platform/util/trove/intellij.platform.util.trove.iml b/platform/util/trove/intellij.platform.util.trove.iml
index 85479adcc4f3..e5028e7f4343 100644
--- a/platform/util/trove/intellij.platform.util.trove.iml
+++ b/platform/util/trove/intellij.platform.util.trove.iml
@@ -2,7 +2,9 @@
 <module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="module-library" exported="">
diff --git a/platform/util/trove/src/gnu/trove/FixIncrementalCompilation.java b/platform/util/trove/src/gnu/trove/FixIncrementalCompilation.java
new file mode 100644
index 000000000000..9a3cfb1c373a
--- /dev/null
+++ b/platform/util/trove/src/gnu/trove/FixIncrementalCompilation.java
@@ -0,0 +1,5 @@
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package gnu.trove;
+
+final class FixIncrementalCompilation {
+}