diff --git a/source/numem/core/memory/alloc.d b/source/numem/core/memory/alloc.d
index 517aa8b..4c099f1 100644
--- a/source/numem/core/memory/alloc.d
+++ b/source/numem/core/memory/alloc.d
@@ -11,7 +11,7 @@ private extern (D) alias fp_t = void function (Object);
     Destroy element with a destructor.
 */
 @trusted
-void destruct(T)(ref T obj_) {
+void destruct(T, bool doFree=true)(ref T obj_) {
 
     static if (isPointer!T || is(T == class)) {
         if (obj_ !is null) {
@@ -36,8 +36,10 @@ void destruct(T)(ref T obj_) {
                 }
             }
 
-            free(cast(void*)obj_);
-            obj_ = null;
+            static if (doFree) {
+                free(cast(void*)obj_);
+                obj_ = null;
+            }
         }
     } else {
 
diff --git a/source/numem/core/memory/package.d b/source/numem/core/memory/package.d
index 3c0bdce..4a25c85 100644
--- a/source/numem/core/memory/package.d
+++ b/source/numem/core/memory/package.d
@@ -209,12 +209,12 @@ T* nogc_new(T)(T value = T.init) if (isBasicType!T) {
 
     For structs this will call the struct's destructor if it has any.
 */
-void nogc_delete(T)(ref T obj_)  {
+void nogc_delete(T, bool doFree=true)(ref T obj_)  {
 
     // Tracing
     debug(trace) dbg_dealloc(obj_);
     
-    destruct(obj_);
+    destruct!(T, doFree)(obj_);
 }
 
 /**
diff --git a/source/numem/platform.d b/source/numem/platform.d
index 7e9e7ae..d554ee7 100644
--- a/source/numem/platform.d
+++ b/source/numem/platform.d
@@ -10,8 +10,10 @@
 */
 module numem.platform;
 
-version(OSX) version = AppleOS;
-else version(iOS) version = AppleOS;
-else version(TVOS) version = AppleOS;
-else version(WatchOS) version = AppleOS;
-else version(VisionOS) version = AppleOS;
\ No newline at end of file
+mixin template CheckOS() {
+    version(OSX) version = AppleOS;
+    else version(iOS) version = AppleOS;
+    else version(TVOS) version = AppleOS;
+    else version(WatchOS) version = AppleOS;
+    else version(VisionOS) version = AppleOS;
+}
\ No newline at end of file
diff --git a/source/numem/sync/semaphore.d b/source/numem/sync/semaphore.d
index f59b46b..5936ec0 100644
--- a/source/numem/sync/semaphore.d
+++ b/source/numem/sync/semaphore.d
@@ -15,6 +15,8 @@ import numem.core.memory;
 import core.sync.exception;
 import core.time : convert;
 
+mixin CheckOS;
+
 version(Windows) {
     
     import core.sys.windows.basetsd;