diff --git a/src/mir_platform.h b/src/mir_platform.h
index a89a93b6..3356c1c4 100644
--- a/src/mir_platform.h
+++ b/src/mir_platform.h
@@ -53,7 +53,6 @@ typedef struct _GLFWwindowMir
   int         width;
   int         height;
 
-  EGLSurface egl_surface;
   MirEGLNativeWindowType  native_window;
 
 } _GLFWwindowMir;
diff --git a/src/wl_platform.h b/src/wl_platform.h
index a498e386..66736b56 100644
--- a/src/wl_platform.h
+++ b/src/wl_platform.h
@@ -64,7 +64,6 @@ typedef struct _GLFWwindowWayland
     struct wl_surface*          surface;
     struct wl_egl_window*       native;
     struct wl_shell_surface*    shell_surface;
-    EGLSurface                  egl_surface;
     struct wl_callback*         callback;
     _GLFWcursor*                currentCursor;
 } _GLFWwindowWayland;