diff --git a/BeefLibs/corlib/src/Array.bf b/BeefLibs/corlib/src/Array.bf
index d11fa7fe..96346e6b 100644
--- a/BeefLibs/corlib/src/Array.bf
+++ b/BeefLibs/corlib/src/Array.bf
@@ -319,7 +319,7 @@ namespace System
 				return;
             for (int i = 0; i < mLength; i++)
             {
-				GC.Mark((&mFirstElement)[i]); 
+				GC.Mark!((&mFirstElement)[i]); 
 			}
 		}
 	}
@@ -430,7 +430,7 @@ namespace System
         {
             for (int i = 0; i < mLength; i++)
             {
-                GC.Mark_Unbound((&mFirstElement)[i]); 
+                GC.Mark!((&mFirstElement)[i]); 
 			}
 		}
 	}
@@ -546,7 +546,7 @@ namespace System
 	    {
 	        for (int i = 0; i < mLength; i++)
 	        {
-	            GC.Mark_Unbound((&mFirstElement)[i]); 
+	            GC.Mark!((&mFirstElement)[i]); 
 			}
 		}
 	}
@@ -667,7 +667,7 @@ namespace System
 	    {
 	        for (int i = 0; i < mLength; i++)
 	        {
-	            GC.Mark_Unbound((&mFirstElement)[i]); 
+	            GC.Mark!((&mFirstElement)[i]); 
 			}
 		}
 	}
diff --git a/BeefLibs/corlib/src/Collections/Dictionary.bf b/BeefLibs/corlib/src/Collections/Dictionary.bf
index 2206e3c9..6c5545e0 100644
--- a/BeefLibs/corlib/src/Collections/Dictionary.bf
+++ b/BeefLibs/corlib/src/Collections/Dictionary.bf
@@ -177,7 +177,7 @@ namespace System.Collections
 				return;
 		    for (int i < mCount)
 		    {
-		        GC.Mark_Unbound(mEntries[i]); 
+		        mEntries[i].[Friend]GCMarkMembers();
 			}
 		}
 
diff --git a/BeefLibs/corlib/src/Collections/List.bf b/BeefLibs/corlib/src/Collections/List.bf
index 3893c1af..23a12916 100644
--- a/BeefLibs/corlib/src/Collections/List.bf
+++ b/BeefLibs/corlib/src/Collections/List.bf
@@ -721,7 +721,7 @@ namespace System.Collections
 				return;
 		    for (int i < mSize)
 		    {
-		        GC.Mark_Unbound(mItems[i]); 
+		        GC.Mark!(mItems[i]); 
 			}
 		}
 
diff --git a/BeefLibs/corlib/src/Collections/Queue.bf b/BeefLibs/corlib/src/Collections/Queue.bf
index 5ab1819b..a06ea748 100644
--- a/BeefLibs/corlib/src/Collections/Queue.bf
+++ b/BeefLibs/corlib/src/Collections/Queue.bf
@@ -334,7 +334,7 @@ namespace System.Collections
 			int allocSize = AllocSize;
 		    for (int i < mSize)
 		    {
-		        GC.Mark_Unbound(mItems[(i + mHead) % allocSize]);
+		        GC.Mark!(mItems[(i + mHead) % allocSize]);
 			}
 		}
 
diff --git a/BeefLibs/corlib/src/GC.bf b/BeefLibs/corlib/src/GC.bf
index 2edf8100..1e0568d9 100644
--- a/BeefLibs/corlib/src/GC.bf
+++ b/BeefLibs/corlib/src/GC.bf
@@ -150,27 +150,27 @@ namespace System
 #endif
 		}
 
-        public static void Mark<T>(T val) where T : class
-        {
+		public static mixin Mark<T>(T val) where T : class
+		{
 #if BF_ENABLE_REALTIME_LEAK_CHECK
-            Mark((Object)val);
+		    Mark((Object)val);
 #endif
 		}
 
-        public static void Mark<T>(T val) where T : struct
-        {
+		public static mixin Mark<T>(T val) where T : struct
+		{
 #if BF_ENABLE_REALTIME_LEAK_CHECK
-            val.[Friend]GCMarkMembers();
+		    val.[Friend]GCMarkMembers();
 #endif
 		}
 
-        public static void Mark<T>(T val) where T : struct*
-        {
-            // Memory pointed to by struct*'s will already-scanned stack memory,
-            //  or the memory would already be registered with the GC
+		public static mixin Mark<T>(T val) where T : struct*
+		{
+		    // Memory pointed to by struct*'s will already-scanned stack memory,
+		    //  or the memory would already be registered with the GC
 		}
 
-		public static void Mark<TSizedArray, T, Size>(TSizedArray val) where Size : const int where TSizedArray : SizedArray<T, Size>
+		public static mixin Mark<TSizedArray, T, Size>(TSizedArray val) where Size : const int where TSizedArray : SizedArray<T, Size>
 		{
 #if BF_ENABLE_REALTIME_LEAK_CHECK
 		    for (var element in val)
@@ -180,22 +180,6 @@ namespace System
 #endif
 		}
 
-		public static void Mark_Enumerate<T>(T val) where T : var
-		{
-			/*for (var element in val)
-			{
-				Mark(element);
-			}*/
-		}
-
-
-		public static void Mark_Unbound<T>(T val) where T : var
-		{
-#if BF_ENABLE_REALTIME_LEAK_CHECK
-			Mark(val);
-#endif
-		}
-
 		public static void ToLeakString(Object obj, String strBuffer)
 		{
 			obj.GetType().GetName(strBuffer);