diff --git a/platform/structuralsearch/source/com/intellij/structuralsearch/StructuralSearchUtil.java b/platform/structuralsearch/source/com/intellij/structuralsearch/StructuralSearchUtil.java
index 0ef6cdd2dc27..6c2cee390fcf 100644
--- a/platform/structuralsearch/source/com/intellij/structuralsearch/StructuralSearchUtil.java
+++ b/platform/structuralsearch/source/com/intellij/structuralsearch/StructuralSearchUtil.java
@@ -27,6 +27,7 @@ import com.intellij.structuralsearch.plugin.ui.Configuration;
 import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.TestOnly;
 
 import java.util.*;
 
@@ -102,6 +103,11 @@ public class StructuralSearchUtil {
     return ourDefaultFileType;
   }
 
+  @TestOnly
+  public static void clearProfileCache(@NotNull Language language) {
+    language.putUserData(STRUCTURAL_SEARCH_PROFILE_KEY, null);
+  }
+
   @Nullable
   public static StructuralSearchProfile getProfileByLanguage(@NotNull Language language) {
     final StructuralSearchProfile cachedProfile = language.getUserData(STRUCTURAL_SEARCH_PROFILE_KEY);