diff --git a/cogl/winsys/cogl-winsys-egl-kms.c b/cogl/winsys/cogl-winsys-egl-kms.c
index bb9233f31..ec1d02bd9 100644
--- a/cogl/winsys/cogl-winsys-egl-kms.c
+++ b/cogl/winsys/cogl-winsys-egl-kms.c
@@ -261,7 +261,6 @@ _cogl_winsys_egl_try_create_context (CoglDisplay *display,
   CoglRenderer *renderer = display->renderer;
   CoglRendererEGL *egl_renderer = renderer->winsys;
   CoglDisplayEGL *egl_display = display->winsys;
-  CoglDisplayKMS *kms_display = egl_display->platform;
 
   egl_display->egl_context = eglCreateContext (egl_renderer->edpy,
                                                NULL,
@@ -287,9 +286,6 @@ _cogl_winsys_egl_try_create_context (CoglDisplay *display,
       return FALSE;
     }
 
-  egl_display->egl_surface_width = kms_display->width;
-  egl_display->egl_surface_height = kms_display->height;
-
   return TRUE;
 }
 
@@ -457,8 +453,8 @@ _cogl_winsys_onscreen_init (CoglOnscreen *onscreen,
   _cogl_winsys_onscreen_swap_buffers (onscreen);
 
   _cogl_framebuffer_winsys_update_size (framebuffer,
-                                        egl_display->egl_surface_width,
-                                        egl_display->egl_surface_height);
+                                        kms_display->width,
+                                        kms_display->height);
 
   return TRUE;
 }
diff --git a/cogl/winsys/cogl-winsys-egl-private.h b/cogl/winsys/cogl-winsys-egl-private.h
index 9a0a64368..98caabf37 100644
--- a/cogl/winsys/cogl-winsys-egl-private.h
+++ b/cogl/winsys/cogl-winsys-egl-private.h
@@ -112,8 +112,7 @@ typedef struct _CoglDisplayEGL
   EGLSurface dummy_surface;
 #if defined (COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT) || \
   defined (COGL_HAS_EGL_PLATFORM_GDL_SUPPORT) ||            \
-  defined (COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT) ||        \
-  defined (COGL_HAS_EGL_PLATFORM_KMS_SUPPORT)
+  defined (COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT)
   int egl_surface_width;
   int egl_surface_height;
   gboolean have_onscreen;