diff --git a/codegen/util.go b/codegen/util.go
index 31552cf9815..81bb069deda 100644
--- a/codegen/util.go
+++ b/codegen/util.go
@@ -29,7 +29,7 @@ func findGoType(prog *loader.Program, pkgName string, typeName string) (types.Ob
 	}
 
 	for astNode, def := range pkg.Defs {
-		if astNode.Name != typeName || isMethod(def) {
+		if astNode.Name != typeName || def.Parent() == nil || def.Parent() != pkg.Pkg.Scope() {
 			continue
 		}
 
@@ -38,15 +38,6 @@ func findGoType(prog *loader.Program, pkgName string, typeName string) (types.Ob
 	return nil, fmt.Errorf("unable to find type %s\n", fullName)
 }
 
-func isMethod(t types.Object) bool {
-	f, isFunc := t.(*types.Func)
-	if !isFunc {
-		return false
-	}
-
-	return f.Type().(*types.Signature).Recv() != nil
-}
-
 func findMethod(typ *types.Named, name string) *types.Func {
 	for i := 0; i < typ.NumMethods(); i++ {
 		method := typ.Method(i)