diff --git a/common/temporal_interp.c b/common/temporal_interp.c
index 4c32a59..9beaf9e 100644
--- a/common/temporal_interp.c
+++ b/common/temporal_interp.c
@@ -107,7 +107,7 @@ static mv_data_t* alloc_mv_data(int w, int h, int bs, int bbs, int ratio, int k,
   data->mv[1]=(mv_t*) malloc(area*sizeof(mv_t));
   data->cost[0]=(cost_t*) malloc(area*sizeof(cost_t));
   data->cost[1]=(cost_t*) malloc(area*sizeof(cost_t));
-  data->bgmap=(int*) malloc(area*sizeof(cost_t));
+  data->bgmap=(int*) malloc(area*sizeof(int));
 
   if (interpolate) {
     data->ratio=ratio;
diff --git a/dec/read_bits.c b/dec/read_bits.c
index 130b53d..676aedb 100644
--- a/dec/read_bits.c
+++ b/dec/read_bits.c
@@ -282,7 +282,6 @@ int read_block(decoder_info_t *decoder_info,stream_t *stream,block_info_dec_t *b
   int16_t *coeff_v = block_info->coeffq_v;
 
   zerovec.y = zerovec.x = 0;
-  bit_start = stream->bitcnt;
 
   mode = decoder_info->mode;
   int coeff_block_type = (mode == MODE_INTRA)<<1;
diff --git a/enc/strings.c b/enc/strings.c
index 6ae377f..f8f1c61 100644
--- a/enc/strings.c
+++ b/enc/strings.c
@@ -92,7 +92,6 @@ static char **read_config_file(FILE *f, int *num_of_params)
 
       if (a[0] == ';')
       {
-        ret = fscanf(f, "%[^\n]", a);
         continue;
       }
     }