diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java b/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java
index 3de9e447ba0..0b9c82cb831 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java
@@ -488,20 +488,6 @@ public class TypeUtils {
         return false;
     }
 
-    public static boolean equalsOrContainsAsArgument(@Nullable JetType type, @NotNull JetType... possibleArgumentTypes) {
-        return equalsOrContainsAsArgument(type, Sets.newHashSet(possibleArgumentTypes));
-    }
-
-    private static boolean equalsOrContainsAsArgument(@Nullable JetType type, @NotNull Set<JetType> possibleArgumentTypes) {
-        if (type == null) return false;
-        if (possibleArgumentTypes.contains(type)) return true;
-        if (type instanceof NamespaceType) return false;
-        for (TypeProjection projection : type.getArguments()) {
-            if (equalsOrContainsAsArgument(projection.getType(), possibleArgumentTypes)) return true;
-        }
-        return false;
-    }
-
     @NotNull
     public static String getTypeNameAndStarProjectionsString(@NotNull String name, int size) {
         StringBuilder builder = new StringBuilder(name);