diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index c536ea71630f820e8121949f29fb15fa8919c8a3..af92baacd23ef94b2f4ec634b88e8e3415d141d1 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -546,10 +546,10 @@ static const struct file_operations sof_dfs_fops = {
 };
 
 /* create FS entry for debug files that can expose DSP memories, registers */
-int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
-			    void __iomem *base, size_t size,
-			    const char *name,
-			    enum sof_debugfs_access_type access_type)
+static int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
+				   void __iomem *base, size_t size,
+				   const char *name,
+				   enum sof_debugfs_access_type access_type)
 {
 	struct snd_sof_dfsentry *dfse;
 
@@ -586,7 +586,6 @@ int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(snd_sof_debugfs_io_item);
 
 int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev,
 					  enum snd_sof_fw_blk_type blk_type, u32 offset,
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 6c7da38e65fb901fbba4e8f5587fb3dd13d646bc..80e4a8c29280a6ee0adb25e4f91095c60daa3f8b 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -521,10 +521,6 @@ void snd_sof_release_trace(struct snd_sof_dev *sdev);
 void snd_sof_free_trace(struct snd_sof_dev *sdev);
 int snd_sof_dbg_init(struct snd_sof_dev *sdev);
 void snd_sof_free_debug(struct snd_sof_dev *sdev);
-int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
-			    void __iomem *base, size_t size,
-			    const char *name,
-			    enum sof_debugfs_access_type access_type);
 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
 			     void *base, size_t size,
 			     const char *name, mode_t mode);