diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index 12a3ad83296da259306a3bd6c2d934c0e862695d..bb0349fa64bc349c130d4f77a96fd7f3a1d525ca 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -223,20 +223,6 @@ int sparse_keymap_setup(struct input_dev *dev,
 }
 EXPORT_SYMBOL(sparse_keymap_setup);
 
-/**
- * sparse_keymap_free - free memory allocated for sparse keymap
- * @dev: Input device using sparse keymap
- *
- * This function used to free memory allocated by sparse keymap
- * in an input device that was set up by sparse_keymap_setup().
- * Since sparse_keymap_setup() now uses a managed allocation for the
- * keymap copy, use of this function is deprecated.
- */
-void sparse_keymap_free(struct input_dev *dev)
-{
-}
-EXPORT_SYMBOL(sparse_keymap_free);
-
 /**
  * sparse_keymap_report_entry - report event corresponding to given key entry
  * @dev: Input device for which event should be reported
diff --git a/include/linux/input/sparse-keymap.h b/include/linux/input/sparse-keymap.h
index 52db62064c6e378d87cb21a3b1501a0fb9a00e82..c7346e33d9582e4ac39742a8e76d66e8677ca040 100644
--- a/include/linux/input/sparse-keymap.h
+++ b/include/linux/input/sparse-keymap.h
@@ -51,7 +51,6 @@ struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
 int sparse_keymap_setup(struct input_dev *dev,
 			const struct key_entry *keymap,
 			int (*setup)(struct input_dev *, struct key_entry *));
-void sparse_keymap_free(struct input_dev *dev);
 
 void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *ke,
 				unsigned int value, bool autorelease);