diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 294f7daf543e..c6f337c54d9f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -67,8 +67,6 @@
 
 #include <linux/idr.h>
 
-#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
-
 struct module;
 
 struct drm_file;
diff --git a/include/drm/drm_agpsupport.h b/include/drm/drm_agpsupport.h
index 3bebeb4af864..4f1724c7ba8c 100644
--- a/include/drm/drm_agpsupport.h
+++ b/include/drm/drm_agpsupport.h
@@ -8,6 +8,9 @@
 #include <linux/agp_backend.h>
 #include <drm/drmP.h>
 
+#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && \
+					      defined(MODULE)))
+
 struct drm_agp_head {
 	struct agp_kern_info agp_info;
 	struct list_head memory;