diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index c5dcfdcba4..98607ea7ff 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -423,17 +423,6 @@ static inline RV34VLC* choose_vlc_set(int quant, int mod, int type)
                 : &intra_vlcs[rv34_quant_to_vlc_set[0][av_clip(quant, 0, 30)]];
 }
 
-/**
- * Decode quantizer difference and return modified quantizer.
- */
-static inline int rv34_decode_dquant(GetBitContext *gb, int quant)
-{
-    if(get_bits1(gb))
-        return rv34_dquant_tab[get_bits1(gb)][quant];
-    else
-        return get_bits(gb, 5);
-}
-
 /**
  * Decode macroblock header and return CBP in case of success, -1 otherwise.
  */
@@ -1255,15 +1244,6 @@ static int check_slice_end(RV34DecContext *r, MpegEncContext *s)
     return 0;
 }
 
-static inline int slice_compare(SliceInfo *si1, SliceInfo *si2)
-{
-    return si1->type   != si2->type  ||
-           si1->start  >= si2->start ||
-           si1->width  != si2->width ||
-           si1->height != si2->height||
-           si1->pts    != si2->pts;
-}
-
 static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int buf_size)
 {
     MpegEncContext *s = &r->s;
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 8fca2da738..cf828dd1f0 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -45,7 +45,6 @@
 #define MB_INTRA_VLC_BITS 9
 #define DC_VLC_BITS 9
 #define AC_VLC_BITS 9
-static const uint16_t table_mb_intra[64][2];
 
 
 static const uint16_t vlc_offs[] = {
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index dacf40ed8a..14807fdc46 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -80,17 +80,6 @@ untested special converters
 #define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
 #define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5))
 
-static const double rgb2yuv_table[8][9]={
-    {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709
-    {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709
-    {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
-    {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
-    {0.59  , 0.11  , 0.30  , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC
-    {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
-    {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
-    {0.701 , 0.087 , 0.212 , -0.384, 0.5, -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M
-};
-
 /*
 NOTES
 Special versions: fast Y 1:1 scaling (no interpolation in y direction)