diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
index 2b816889645ee1c4e633d1bed791a34da38382a1..ca6f78110bf8759c2c54eaa1dab9b7af81dd9963 100644
--- a/libavcodec/qsvdec.c
+++ b/libavcodec/qsvdec.c
@@ -70,7 +70,7 @@ static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession ses
     return 0;
 }
 
-int ff_qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxSession session)
+static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxSession session)
 {
     mfxVideoParam param = { { 0 } };
     int ret;
@@ -413,7 +413,7 @@ int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
             q->nb_ext_buffers = user_ctx->nb_ext_buffers;
         }
 
-        ret = ff_qsv_decode_init(avctx, q, session);
+        ret = qsv_decode_init(avctx, q, session);
         if (ret < 0)
             goto reinit_fail;
     }
diff --git a/libavcodec/qsvdec.h b/libavcodec/qsvdec.h
index 5627f06e135ab1dc3f9297d84b710d965967720a..698d8c89b45e11389878b91240b365d7ca31bf2e 100644
--- a/libavcodec/qsvdec.h
+++ b/libavcodec/qsvdec.h
@@ -67,8 +67,6 @@ typedef struct QSVContext {
 
 int ff_qsv_map_pixfmt(enum AVPixelFormat format);
 
-int ff_qsv_decode_init(AVCodecContext *s, QSVContext *q, mfxSession session);
-
 int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
                         AVFrame *frame, int *got_frame, AVPacket *pkt);