1 files changed, 0 insertions, 3 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/jvm/analysis/BackendUtils.scala b/src/compiler/scala/tools/nsc/backend/jvm/analysis/BackendUtils.scala
index 539435a326..83615abc31 100644
--- a/src/compiler/scala/tools/nsc/backend/jvm/analysis/BackendUtils.scala
+++ b/src/compiler/scala/tools/nsc/backend/jvm/analysis/BackendUtils.scala
@@ -131,7 +131,6 @@ class BackendUtils[BT <: BTypes](val btypes: BT) {
 
   private val anonfunAdaptedName = """.*\$anonfun\$.*\$\d+\$adapted""".r
   def hasAdaptedImplMethod(closureInit: ClosureInstantiation): Boolean = {
-    isBuiltinFunctionType(Type.getReturnType(closureInit.lambdaMetaFactoryCall.indy.desc).getInternalName) &&
     anonfunAdaptedName.pattern.matcher(closureInit.lambdaMetaFactoryCall.implMethod.getName).matches
   }
 
@@ -256,8 +255,6 @@ class BackendUtils[BT <: BTypes](val btypes: BT) {
     }
   }
 
-  def isBuiltinFunctionType(internalName: InternalName): Boolean = functionRefs(internalName)
-
   /**
    * Visit the class node and collect all referenced nested classes.
    */