diff --git a/drivers/staging/media/imx/imx-media-of.c b/drivers/staging/media/imx/imx-media-of.c
index 59f1eb7b62bc..92a99010c150 100644
--- a/drivers/staging/media/imx/imx-media-of.c
+++ b/drivers/staging/media/imx/imx-media-of.c
@@ -16,8 +16,8 @@
 #include <video/imx-ipu-v3.h>
 #include "imx-media.h"
 
-int imx_media_of_add_csi(struct imx_media_dev *imxmd,
-			 struct device_node *csi_np)
+static int imx_media_of_add_csi(struct imx_media_dev *imxmd,
+				struct device_node *csi_np)
 {
 	struct v4l2_async_subdev *asd;
 	int ret = 0;
@@ -41,7 +41,6 @@ int imx_media_of_add_csi(struct imx_media_dev *imxmd,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(imx_media_of_add_csi);
 
 int imx_media_add_of_subdevs(struct imx_media_dev *imxmd,
 			     struct device_node *np)
diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
index 2bc623070f07..2640cd34dce2 100644
--- a/drivers/staging/media/imx/imx-media.h
+++ b/drivers/staging/media/imx/imx-media.h
@@ -251,8 +251,6 @@ void imx_media_unregister_ipu_internal_subdevs(struct imx_media_dev *imxmd);
 /* imx-media-of.c */
 int imx_media_add_of_subdevs(struct imx_media_dev *dev,
 			     struct device_node *np);
-int imx_media_of_add_csi(struct imx_media_dev *imxmd,
-			 struct device_node *csi_np);
 
 /* imx-media-vdic.c */
 struct v4l2_subdev *imx_media_vdic_register(struct v4l2_device *v4l2_dev,