diff --git a/compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/KotlinCallDiagnostics.kt b/compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/KotlinCallDiagnostics.kt
index 11878bb6242..91200fadb58 100644
--- a/compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/KotlinCallDiagnostics.kt
+++ b/compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/KotlinCallDiagnostics.kt
@@ -137,14 +137,6 @@ object TypeCheckerHasRanIntoRecursion : KotlinCallDiagnostic(INAPPLICABLE) {
     override fun report(reporter: DiagnosticReporter) = reporter.onCall(this)
 }
 
-// Callable reference resolution
-class CallableReferenceNotCompatible(
-    argument: CallableReferenceResolutionAtom,
-    val candidate: CallableMemberDescriptor,
-    val expectedType: UnwrappedType?,
-    val callableReverenceType: UnwrappedType
-) : CallableReferenceInapplicableDiagnostic(argument)
-
 // supported by FE but not supported by BE now
 class CallableReferencesDefaultArgumentUsed(
     val argument: CallableReferenceResolutionAtom,