diff --git a/Mirror/Weaver/Extensions.cs b/Mirror/Weaver/Extensions.cs
index e4ac48781..49f62b1a7 100644
--- a/Mirror/Weaver/Extensions.cs
+++ b/Mirror/Weaver/Extensions.cs
@@ -39,5 +39,32 @@ public static bool IsDerivedFrom(this TypeDefinition td, TypeReference baseClass
             }
             return false;
         }
+
+        public static bool ImplementsInterface(this TypeDefinition td, TypeReference baseInterface)
+        {
+            TypeDefinition typedef = td;
+            while (typedef != null)
+            {
+                foreach (InterfaceImplementation iface in typedef.Interfaces)
+                {
+                    if (iface.InterfaceType.FullName == baseInterface.FullName)
+                        return true;
+                }
+
+                try
+                {
+                    TypeReference parent = typedef.BaseType;
+                    typedef = parent == null ? null : parent.Resolve();
+                }
+                catch (AssemblyResolutionException)
+                {
+                    // this can happen for pluins.
+                    //Console.WriteLine("AssemblyResolutionException: "+ ex.ToString());
+                    break;
+                }
+            }
+
+            return false;
+        }
     }
 }
\ No newline at end of file
diff --git a/Mirror/Weaver/Processors/SyncObjectProcessor.cs b/Mirror/Weaver/Processors/SyncObjectProcessor.cs
index dc5e09421..1c562075e 100644
--- a/Mirror/Weaver/Processors/SyncObjectProcessor.cs
+++ b/Mirror/Weaver/Processors/SyncObjectProcessor.cs
@@ -17,7 +17,7 @@ public static bool ImplementsSyncObject(TypeReference typeRef)
                     return false;
                 }
 
-                return Weaver.ImplementsInterface(typeRef.Resolve(), Weaver.SyncObjectType);
+                return typeRef.Resolve().ImplementsInterface(Weaver.SyncObjectType);
             }
             catch
             {
diff --git a/Mirror/Weaver/Processors/SyncVarProcessor.cs b/Mirror/Weaver/Processors/SyncVarProcessor.cs
index 6b58f48c1..0fa0ba53a 100644
--- a/Mirror/Weaver/Processors/SyncVarProcessor.cs
+++ b/Mirror/Weaver/Processors/SyncVarProcessor.cs
@@ -295,7 +295,7 @@ public static void ProcessSyncVars(TypeDefinition td, List<FieldDefinition> sync
                     return;
                 }
 
-                if (Weaver.ImplementsInterface(fd.FieldType.Resolve(), Weaver.SyncObjectType))
+                if (fd.FieldType.Resolve().ImplementsInterface(Weaver.SyncObjectType))
                 {
                     if (fd.IsStatic)
                     {
diff --git a/Mirror/Weaver/Weaver.cs b/Mirror/Weaver/Weaver.cs
index e325cc1ec..33871391d 100644
--- a/Mirror/Weaver/Weaver.cs
+++ b/Mirror/Weaver/Weaver.cs
@@ -1423,34 +1423,6 @@ static bool IsNetworkBehaviour(TypeDefinition td)
             return td.IsDerivedFrom(NetworkBehaviourType);
         }
 
-        public static bool ImplementsInterface(TypeDefinition td, TypeReference baseInterface)
-        {
-            TypeDefinition typedef = td;
-
-            while ( typedef != null)
-            {
-                foreach (InterfaceImplementation iface in typedef.Interfaces)
-                {
-                    if (iface.InterfaceType.FullName == baseInterface.FullName)
-                        return true;
-                }
-
-                try
-                {
-                    TypeReference parent = typedef.BaseType;
-                    typedef = parent == null ? null : parent.Resolve();
-                }
-                catch (AssemblyResolutionException)
-                {
-                    // this can happen for pluins.
-                    //Console.WriteLine("AssemblyResolutionException: "+ ex.ToString());
-                    break;
-                }
-            }
-
-            return false;
-        }
-
         public static bool IsValidTypeToGenerate(TypeDefinition variable)
         {
             // a valid type is a simple class or struct. so we generate only code for types we dont know, and if they are not inside