diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/psi/psiUtil/jetPsiUtil.kt b/compiler/frontend/src/org/jetbrains/jet/lang/psi/psiUtil/jetPsiUtil.kt
index 8ffc2adde2d..f171d718d96 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/psi/psiUtil/jetPsiUtil.kt
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/psi/psiUtil/jetPsiUtil.kt
@@ -70,4 +70,5 @@ fun JetClassOrObject.effectiveDeclarations(): List<JetDeclaration> =
 
 fun JetClass.isAbstract() = isTrait() || hasModifier(JetTokens.ABSTRACT_KEYWORD)
 
+[suppress("UNCHECKED_CAST")]
 fun <T: PsiElement> PsiElement.replaced(newElement: T): T = replace(newElement)!! as T