diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index dfc7a1ba9360..e01478515820 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2298,10 +2298,10 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid,
 #define EDID_CEA_YCRCB422	(1 << 4)
 #define EDID_CEA_VCDB_QS	(1 << 6)
 
-/**
+/*
  * Search EDID for CEA extension block.
  */
-u8 *drm_find_cea_extension(struct edid *edid)
+static u8 *drm_find_cea_extension(struct edid *edid)
 {
 	u8 *edid_ext = NULL;
 	int i;
@@ -2322,7 +2322,6 @@ u8 *drm_find_cea_extension(struct edid *edid)
 
 	return edid_ext;
 }
-EXPORT_SYMBOL(drm_find_cea_extension);
 
 /*
  * Calculate the alternate clock for the CEA mode
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 0a9f73e8be26..7987eff5dab2 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1032,7 +1032,6 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
 				    void *data, struct drm_file *file_priv);
 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
 				    void *data, struct drm_file *file_priv);
-extern u8 *drm_find_cea_extension(struct edid *edid);
 extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match);
 extern bool drm_detect_hdmi_monitor(struct edid *edid);
 extern bool drm_detect_monitor_audio(struct edid *edid);