diff --git a/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/CompletionSession.kt b/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/CompletionSession.kt
index 8a789eb8f51..67897834e88 100644
--- a/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/CompletionSession.kt
+++ b/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/CompletionSession.kt
@@ -45,7 +45,6 @@ import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.isExtensionDeclaration
 import org.jetbrains.kotlin.psi.psiUtil.parentsWithSelf
 import org.jetbrains.kotlin.resolve.BindingContext
-import org.jetbrains.kotlin.resolve.descriptorUtil.isExtension
 import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindExclude
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
@@ -163,8 +162,13 @@ abstract class CompletionSession(protected val configuration: CompletionSessionC
                 .map { it.resolveToDescriptor() }
                 .toSet()
 
-        override fun excludes(descriptor: DeclarationDescriptor)
-                = descriptor.isExtension && descriptor.containingDeclaration is PackageFragmentDescriptor && descriptor !in extensionsFromThisFile
+        override fun excludes(descriptor: DeclarationDescriptor): Boolean {
+            return descriptor is CallableMemberDescriptor
+                   && descriptor.extensionReceiverParameter != null
+                   && descriptor.containingDeclaration is PackageFragmentDescriptor
+                   && descriptor !in extensionsFromThisFile
+                   && descriptor.kind == CallableMemberDescriptor.Kind.DECLARATION /* do not filter out synthetic extensions from packages */
+        }
 
         override val fullyExcludedDescriptorKinds: Int
             get() = 0