diff --git a/libavcodec/sh4/dsputil_align.c b/libavcodec/sh4/dsputil_align.c
index a545e55096..31f8bdfb2f 100644
--- a/libavcodec/sh4/dsputil_align.c
+++ b/libavcodec/sh4/dsputil_align.c
@@ -434,7 +434,6 @@ void ff_dsputil_init_align(DSPContext* c, AVCodecContext *avctx)
     c->put_mspel_pixels_tab[7]= put_mspel8_mc32_sh4;
 
     c->gmc1 = gmc1_c;
-    c->gmc = gmc_c;
 
 #endif
 }
diff --git a/libavcodec/sh4/qpel.c b/libavcodec/sh4/qpel.c
index 5ad0290b6e..dab834f4ab 100644
--- a/libavcodec/sh4/qpel.c
+++ b/libavcodec/sh4/qpel.c
@@ -359,63 +359,6 @@ static void gmc1_c(uint8_t *dst, uint8_t *src, int stride, int h, int x16, int y
     }while(--h);
 }
 
-static void gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
-                  int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height)
-{
-    int y, vx, vy;
-    const int s= 1<<shift;
-
-    width--;
-    height--;
-
-    for(y=0; y<h; y++){
-        int x;
-
-        vx= ox;
-        vy= oy;
-        for(x=0; x<8; x++){ //XXX FIXME optimize
-            int src_x, src_y, frac_x, frac_y, index;
-
-            src_x= vx>>16;
-            src_y= vy>>16;
-            frac_x= src_x&(s-1);
-            frac_y= src_y&(s-1);
-            src_x>>=shift;
-            src_y>>=shift;
-
-            if((unsigned)src_x < width){
-                if((unsigned)src_y < height){
-                    index= src_x + src_y*stride;
-                    dst[y*stride + x]= (  (  src[index         ]*(s-frac_x)
-                                           + src[index       +1]*   frac_x )*(s-frac_y)
-                                        + (  src[index+stride  ]*(s-frac_x)
-                                           + src[index+stride+1]*   frac_x )*   frac_y
-                                        + r)>>(shift*2);
-                }else{
-                    index= src_x + av_clip(src_y, 0, height)*stride;
-                    dst[y*stride + x]= ( (  src[index         ]*(s-frac_x)
-                                          + src[index       +1]*   frac_x )*s
-                                        + r)>>(shift*2);
-                }
-            }else{
-                if((unsigned)src_y < height){
-                    index= av_clip(src_x, 0, width) + src_y*stride;
-                    dst[y*stride + x]= (  (  src[index         ]*(s-frac_y)
-                                           + src[index+stride  ]*   frac_y )*s
-                                        + r)>>(shift*2);
-                }else{
-                    index= av_clip(src_x, 0, width) + av_clip(src_y, 0, height)*stride;
-                    dst[y*stride + x]=    src[index         ];
-                }
-            }
-
-            vx+= dxx;
-            vy+= dyx;
-        }
-        ox += dxy;
-        oy += dyy;
-    }
-}
 #define H264_CHROMA_MC(OPNAME, OP)\
 static void OPNAME ## h264_chroma_mc2_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
     const int A=(8-x)*(8-y);\
diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
index 3780c47b78..f95b364287 100644
--- a/libavformat/rtpdec.c
+++ b/libavformat/rtpdec.c
@@ -30,16 +30,6 @@
 #include "rtpdec.h"
 #include "rtpdec_formats.h"
 
-/* TODO:
- * - add RTCP statistics reporting (should be optional).
- *
- * - add support for H.263/MPEG-4 packetized output: IDEA: send a
- * buffer to 'rtp_write_packet' contains all the packets for ONE
- * frame. Each packet should have a four byte header containing
- * the length in big-endian format (same trick as
- * 'ffio_open_dyn_packet_buf').
- */
-
 static RTPDynamicProtocolHandler realmedia_mp3_dynamic_handler = {
     .enc_name   = "X-MP3-draft-00",
     .codec_type = AVMEDIA_TYPE_AUDIO,
@@ -59,12 +49,12 @@ static RTPDynamicProtocolHandler opus_dynamic_handler = {
 };
 
 /* statistics functions */
-static RTPDynamicProtocolHandler *RTPFirstDynamicPayloadHandler = NULL;
+static RTPDynamicProtocolHandler *rtp_first_dynamic_payload_handler = NULL;
 
 void ff_register_dynamic_payload_handler(RTPDynamicProtocolHandler *handler)
 {
-    handler->next = RTPFirstDynamicPayloadHandler;
-    RTPFirstDynamicPayloadHandler = handler;
+    handler->next = rtp_first_dynamic_payload_handler;
+    rtp_first_dynamic_payload_handler = handler;
 }
 
 void av_register_rtp_dynamic_payload_handlers(void)
@@ -108,7 +98,7 @@ RTPDynamicProtocolHandler *ff_rtp_handler_find_by_name(const char *name,
                                                        enum AVMediaType codec_type)
 {
     RTPDynamicProtocolHandler *handler;
-    for (handler = RTPFirstDynamicPayloadHandler;
+    for (handler = rtp_first_dynamic_payload_handler;
          handler; handler = handler->next)
         if (!av_strcasecmp(name, handler->enc_name) &&
             codec_type == handler->codec_type)
@@ -120,7 +110,7 @@ RTPDynamicProtocolHandler *ff_rtp_handler_find_by_id(int id,
                                                      enum AVMediaType codec_type)
 {
     RTPDynamicProtocolHandler *handler;
-    for (handler = RTPFirstDynamicPayloadHandler;
+    for (handler = rtp_first_dynamic_payload_handler;
          handler; handler = handler->next)
         if (handler->static_payload_id && handler->static_payload_id == id &&
             codec_type == handler->codec_type)