diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/Errors.java b/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/Errors.java
index 1a9fa062451..d35b79228a1 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/Errors.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/Errors.java
@@ -635,7 +635,8 @@ public interface Errors {
     ImmutableSet<? extends DiagnosticFactory<?>> INVISIBLE_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
             INVISIBLE_MEMBER, INVISIBLE_MEMBER_FROM_INLINE, INVISIBLE_REFERENCE, INVISIBLE_SETTER);
     ImmutableSet<? extends DiagnosticFactory<?>> UNUSED_ELEMENT_DIAGNOSTICS = ImmutableSet.of(
-            UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE, VARIABLE_WITH_REDUNDANT_INITIALIZER);
+            UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE, VARIABLE_WITH_REDUNDANT_INITIALIZER,
+            UNUSED_FUNCTION_LITERAL);
     ImmutableSet<? extends DiagnosticFactory<?>> TYPE_INFERENCE_ERRORS = ImmutableSet.of(
             TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH,
             TYPE_INFERENCE_UPPER_BOUND_VIOLATED, TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH);