diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java
index 88c645aacb77..52e210ed22ef 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java
@@ -24,6 +24,7 @@ import com.intellij.psi.util.InheritanceUtil;
 import com.intellij.psi.util.TypeConversionUtil;
 import com.intellij.util.containers.ComparatorUtil;
 import com.intellij.util.containers.HashMap;
+import gnu.trove.THashMap;
 import gnu.trove.TIntObjectHashMap;
 import gnu.trove.TObjectIntHashMap;
 import org.jetbrains.annotations.NonNls;
@@ -491,7 +492,7 @@ public class TypesUtil {
 
   public static PsiSubstitutor composeSubstitutors(PsiSubstitutor s1, PsiSubstitutor s2) {
     final Map<PsiTypeParameter, PsiType> map = s1.getSubstitutionMap();
-    Map<PsiTypeParameter, PsiType> result = new com.intellij.util.containers.hash.HashMap<PsiTypeParameter, PsiType>(map.size());
+    Map<PsiTypeParameter, PsiType> result = new THashMap<PsiTypeParameter, PsiType>(map.size());
     for (PsiTypeParameter parameter : map.keySet()) {
       result.put(parameter, s2.substitute(map.get(parameter)));
     }