diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index d94f420b92..4e9c6c43a5 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -566,7 +566,7 @@ static int dvdsub_parse_extradata(AVCodecContext *avctx)
     return 1;
 }
 
-static int av_cold dvdsub_init(AVCodecContext *avctx)
+static av_cold int dvdsub_init(AVCodecContext *avctx)
 {
     DVDSubContext *ctx = avctx->priv_data;
     int ret;
diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
index 04c297deba..59caac76c7 100644
--- a/libavcodec/libopusenc.c
+++ b/libavcodec/libopusenc.c
@@ -156,7 +156,7 @@ static int libopus_configure_encoder(AVCodecContext *avctx, OpusMSEncoder *enc,
     return OPUS_OK;
 }
 
-static int av_cold libopus_encode_init(AVCodecContext *avctx)
+static av_cold int libopus_encode_init(AVCodecContext *avctx)
 {
     LibopusEncContext *opus = avctx->priv_data;
     const uint8_t *channel_mapping;
@@ -359,7 +359,7 @@ static int libopus_encode(AVCodecContext *avctx, AVPacket *avpkt,
     return 0;
 }
 
-static int av_cold libopus_encode_close(AVCodecContext *avctx)
+static av_cold int libopus_encode_close(AVCodecContext *avctx)
 {
     LibopusEncContext *opus = avctx->priv_data;
 
diff --git a/libavfilter/f_sendcmd.c b/libavfilter/f_sendcmd.c
index 319d503361..9c7c5f5def 100644
--- a/libavfilter/f_sendcmd.c
+++ b/libavfilter/f_sendcmd.c
@@ -422,7 +422,7 @@ static av_cold int init(AVFilterContext *ctx)
     return 0;
 }
 
-static void av_cold uninit(AVFilterContext *ctx)
+static av_cold void uninit(AVFilterContext *ctx)
 {
     SendCmdContext *sendcmd = ctx->priv;
     int i, j;