diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index a6729bfe6860e06a3d2ac0f0da721caada4238d8..504a602f495c9f72173d7361b500baa590fe49aa 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -922,43 +922,6 @@ void drm_mode_validate_size(struct drm_device *dev,
 }
 EXPORT_SYMBOL(drm_mode_validate_size);
 
-/**
- * drm_mode_validate_clocks - validate modes against clock limits
- * @dev: DRM device
- * @mode_list: list of modes to check
- * @min: minimum clock rate array
- * @max: maximum clock rate array
- * @n_ranges: number of clock ranges (size of arrays)
- *
- * LOCKING:
- * Caller must hold a lock protecting @mode_list.
- *
- * Some code may need to check a mode list against the clock limits of the
- * device in question.  This function walks the mode list, testing to make
- * sure each mode falls within a given range (defined by @min and @max
- * arrays) and sets @mode->status as needed.
- */
-void drm_mode_validate_clocks(struct drm_device *dev,
-			      struct list_head *mode_list,
-			      int *min, int *max, int n_ranges)
-{
-	struct drm_display_mode *mode;
-	int i;
-
-	list_for_each_entry(mode, mode_list, head) {
-		bool good = false;
-		for (i = 0; i < n_ranges; i++) {
-			if (mode->clock >= min[i] && mode->clock <= max[i]) {
-				good = true;
-				break;
-			}
-		}
-		if (!good)
-			mode->status = MODE_CLOCK_RANGE;
-	}
-}
-EXPORT_SYMBOL(drm_mode_validate_clocks);
-
 /**
  * drm_mode_prune_invalid - remove invalid modes from mode list
  * @dev: DRM device
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index fa12a2fa4293a399c42bb1aadc9e359a8e4f71be..32e0820357e680b8b3e7eb91ca570769e4d99905 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -930,9 +930,6 @@ extern void drm_mode_list_concat(struct list_head *head,
 extern void drm_mode_validate_size(struct drm_device *dev,
 				   struct list_head *mode_list,
 				   int maxX, int maxY, int maxPitch);
-extern void drm_mode_validate_clocks(struct drm_device *dev,
-				     struct list_head *mode_list,
-				     int *min, int *max, int n_ranges);
 extern void drm_mode_prune_invalid(struct drm_device *dev,
 				   struct list_head *mode_list, bool verbose);
 extern void drm_mode_sort(struct list_head *mode_list);