diff --git a/3d-viewer/common_ogl/openGL_includes.h b/3d-viewer/common_ogl/openGL_includes.h
index a91ca2ca43..6aa068b7a5 100644
--- a/3d-viewer/common_ogl/openGL_includes.h
+++ b/3d-viewer/common_ogl/openGL_includes.h
@@ -31,11 +31,6 @@
 #define OPENGL_INCLUDES_H
 
 #ifdef __APPLE__
-#ifndef GL_SILENCE_DEPRECATION
-// Apple, in their infinite wisdom, has decided to mark OpenGL as deprecated.
-// Luckily we can silence warnings about its deprecation.
-#define GL_SILENCE_DEPRECATION 1
-#endif
 #include <OpenGL/gl.h>
 #include <OpenGL/glu.h>
 #else
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4dcfca9e10..932463427d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,6 +71,12 @@ if( WIN32 )
     add_compile_definitions( WIN32_LEAN_AND_MEAN )
 endif()
 
+if( APPLE )
+    # Apple, in their infinite wisdom, has decided to mark OpenGL as deprecated.
+    # Luckily we can silence warnings about its deprecation.
+    add_compile_definitions( GL_SILENCE_DEPRECATION=1 )
+endif()
+
 # Create a flag to identify the non-Apple unix systems
 if( UNIX AND NOT APPLE )
     set( UNIX_NOT_APPLE ON )
diff --git a/common/gal/opengl/opengl_gal.cpp b/common/gal/opengl/opengl_gal.cpp
index c3bffcf021..0ff78ccaca 100644
--- a/common/gal/opengl/opengl_gal.cpp
+++ b/common/gal/opengl/opengl_gal.cpp
@@ -26,12 +26,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-// Apple, in their infinite wisdom, has decided to mark OpenGL as deprecated.
-// Luckily we can silence warnings about its deprecation.
-#ifdef __APPLE__
-#define GL_SILENCE_DEPRECATION 1
-#endif
-
 #include <advanced_config.h>
 #include <build_version.h>
 #include <gal/opengl/opengl_gal.h>
diff --git a/include/gal/opengl/kiglew.h b/include/gal/opengl/kiglew.h
index c011541323..59a3e3c74a 100644
--- a/include/gal/opengl/kiglew.h
+++ b/include/gal/opengl/kiglew.h
@@ -31,11 +31,6 @@
 // Pull in the configuration options for wxWidgets
 #include <wx/platform.h>
 
-// Apple, in their infinite wisdom, has decided to mark OpenGL as deprecated.
-// Luckily we can silence warnings about its deprecation. This is needed on the GLEW
-// includes since they transitively include the OpenGL headers.
-#define GL_SILENCE_DEPRECATION 1
-
 #if defined( __unix__ ) and not defined( __APPLE__ )
 
     #ifdef KICAD_USE_EGL
diff --git a/utils/idftools/vrml_layer.h b/utils/idftools/vrml_layer.h
index d645eb885d..df322f7e6f 100644
--- a/utils/idftools/vrml_layer.h
+++ b/utils/idftools/vrml_layer.h
@@ -35,12 +35,6 @@
 #ifndef VRML_LAYER_H
 #define VRML_LAYER_H
 
-// Apple, in their infinite wisdom, has decided to mark OpenGL as deprecated.
-// Luckily we can silence warnings about its deprecation.
-#ifdef __APPLE__
-#define GL_SILENCE_DEPRECATION 1
-#endif
-
 #include <wx/glcanvas.h>    // CALLBACK definition, needed on Windows
                             // also needed on OSX to define __DARWIN__