diff --git a/core/templates/pooled_list.h b/core/templates/pooled_list.h
index b4a6d2d1dd..b139dadb75 100644
--- a/core/templates/pooled_list.h
+++ b/core/templates/pooled_list.h
@@ -28,13 +28,16 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#pragma once
+#ifndef POOLED_LIST_H
+#define POOLED_LIST_H
+
+#include "core/templates/local_vector.h"
 
 // Simple template to provide a pool with O(1) allocate and free.
 // The freelist could alternatively be a linked list placed within the unused elements
 // to use less memory, however a separate freelist is probably more cache friendly.
-
-// NOTE : Take great care when using this with non POD types. The construction and destruction
+//
+// NOTE: Take great care when using this with non POD types. The construction and destruction
 // is done in the LocalVector, NOT as part of the pool. So requesting a new item does not guarantee
 // a constructor is run, and free does not guarantee a destructor.
 // You should generally handle clearing
@@ -42,9 +45,6 @@
 // This is by design for fastest use in the BVH. If you want a more general pool
 // that does call constructors / destructors on request / free, this should probably be
 // a separate template.
-
-#include "core/templates/local_vector.h"
-
 template <class T, bool force_trivial = false>
 class PooledList {
 	LocalVector<T, uint32_t, force_trivial> list;
@@ -93,3 +93,5 @@ public:
 		_used_size--;
 	}
 };
+
+#endif // POOLED_LIST_H
diff --git a/platform/uwp/SCsub b/platform/uwp/SCsub
index 71c402358f..8726d32d61 100644
--- a/platform/uwp/SCsub
+++ b/platform/uwp/SCsub
@@ -7,7 +7,7 @@ files = [
     "#platform/windows/windows_terminal_logger.cpp",
     "joypad_uwp.cpp",
     "context_egl_uwp.cpp",
-    "app.cpp",
+    "app_uwp.cpp",
     "os_uwp.cpp",
 ]
 
diff --git a/platform/uwp/app.cpp b/platform/uwp/app_uwp.cpp
similarity index 99%
rename from platform/uwp/app.cpp
rename to platform/uwp/app_uwp.cpp
index 1da17ffc5d..50e33e6c49 100644
--- a/platform/uwp/app.cpp
+++ b/platform/uwp/app_uwp.cpp
@@ -1,5 +1,5 @@
 /*************************************************************************/
-/*  app.cpp                                                              */
+/*  app_uwp.cpp                                                          */
 /*************************************************************************/
 /*                       This file is part of:                           */
 /*                           GODOT ENGINE                                */
@@ -32,7 +32,7 @@
 // This file demonstrates how to initialize EGL in a Windows Store app, using ICoreWindow.
 //
 
-#include "app.h"
+#include "app_uwp.h"
 
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
diff --git a/platform/uwp/app.h b/platform/uwp/app_uwp.h
similarity index 97%
rename from platform/uwp/app.h
rename to platform/uwp/app_uwp.h
index 0b02527dae..8d4a0b90c3 100644
--- a/platform/uwp/app.h
+++ b/platform/uwp/app_uwp.h
@@ -1,5 +1,5 @@
 /*************************************************************************/
-/*  app.h                                                                */
+/*  app_uwp.h                                                            */
 /*************************************************************************/
 /*                       This file is part of:                           */
 /*                           GODOT ENGINE                                */
@@ -28,7 +28,8 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#pragma once
+#ifndef APP_UWP_H
+#define APP_UWP_H
 
 #include <string>
 
@@ -111,3 +112,4 @@ namespace GodotUWP
 }
 
 /* clang-format on */
+#endif // APP_UWP_H