diff --git a/staging/src/k8s.io/api/rbac/v1alpha1/types.go b/staging/src/k8s.io/api/rbac/v1alpha1/types.go
index a5d3e38f657..ba91ab32abd 100644
--- a/staging/src/k8s.io/api/rbac/v1alpha1/types.go
+++ b/staging/src/k8s.io/api/rbac/v1alpha1/types.go
@@ -62,7 +62,6 @@ type PolicyRule struct {
 	ResourceNames []string `json:"resourceNames,omitempty" protobuf:"bytes,5,rep,name=resourceNames"`
 
 	// NonResourceURLs is a set of partial urls that a user should have access to.  *s are allowed, but only as the full, final step in the path
-	// This name is intentionally different than the internal type so that the DefaultConvert works nicely and because the ordering may be different.
 	// Since non-resource URLs are not namespaced, this field is only applicable for ClusterRoles referenced from a ClusterRoleBinding.
 	// Rules can either apply to API resources (such as "pods" or "secrets") or non-resource URL paths (such as "/api"),  but not both.
 	// +optional
diff --git a/staging/src/k8s.io/apimachinery/pkg/conversion/converter.go b/staging/src/k8s.io/apimachinery/pkg/conversion/converter.go
index 7ee233c7e70..2d7c8bd1e29 100644
--- a/staging/src/k8s.io/apimachinery/pkg/conversion/converter.go
+++ b/staging/src/k8s.io/apimachinery/pkg/conversion/converter.go
@@ -138,10 +138,6 @@ type Scope interface {
 	// parameters, you'll run out of stack space before anything useful happens.
 	Convert(src, dest interface{}, flags FieldMatchingFlags) error
 
-	// DefaultConvert performs the default conversion, without calling a conversion func
-	// on the current stack frame. This makes it safe to call from a conversion func.
-	DefaultConvert(src, dest interface{}, flags FieldMatchingFlags) error
-
 	// SrcTags and DestTags contain the struct tags that src and dest had, respectively.
 	// If the enclosing object was not a struct, then these will contain no tags, of course.
 	SrcTag() reflect.StructTag
@@ -274,12 +270,6 @@ func (s *scope) Convert(src, dest interface{}, flags FieldMatchingFlags) error {
 	return s.converter.Convert(src, dest, flags, s.meta)
 }
 
-// DefaultConvert continues a conversion, performing a default conversion (no conversion func)
-// for the current stack frame.
-func (s *scope) DefaultConvert(src, dest interface{}, flags FieldMatchingFlags) error {
-	return s.converter.DefaultConvert(src, dest, flags, s.meta)
-}
-
 // SrcTag returns the tag of the struct containing the current source item, if any.
 func (s *scope) SrcTag() reflect.StructTag {
 	return s.srcStack.top().tag
@@ -432,18 +422,6 @@ func (c *Converter) Convert(src, dest interface{}, flags FieldMatchingFlags, met
 	return c.doConversion(src, dest, flags, meta, c.convert)
 }
 
-// DefaultConvert will translate src to dest if it knows how. Both must be pointers.
-// No conversion func is used. If the default copying mechanism
-// doesn't work on this type pair, an error will be returned.
-// Read the comments on the various FieldMatchingFlags constants to understand
-// what the 'flags' parameter does.
-// 'meta' is given to allow you to pass information to conversion functions,
-// it is not used by DefaultConvert() other than storing it in the scope.
-// Not safe for objects with cyclic references!
-func (c *Converter) DefaultConvert(src, dest interface{}, flags FieldMatchingFlags, meta *Meta) error {
-	return c.doConversion(src, dest, flags, meta, c.defaultConvert)
-}
-
 type conversionFunc func(sv, dv reflect.Value, scope *scope) error
 
 func (c *Converter) doConversion(src, dest interface{}, flags FieldMatchingFlags, meta *Meta, f conversionFunc) error {
@@ -523,14 +501,6 @@ func (c *Converter) convert(sv, dv reflect.Value, scope *scope) error {
 		return c.callUntyped(sv, dv, f, scope)
 	}
 
-	return c.defaultConvert(sv, dv, scope)
-}
-
-// defaultConvert recursively copies sv into dv. no conversion function is called
-// for the current stack frame (but conversion functions may be called for nested objects)
-func (c *Converter) defaultConvert(sv, dv reflect.Value, scope *scope) error {
-	dt, st := dv.Type(), sv.Type()
-
 	if !dv.CanSet() {
 		return scope.errorf("Cannot set dest. (Tried to deep copy something with unexported fields?)")
 	}