diff --git a/libavcodec/dirac_dwt.c b/libavcodec/dirac_dwt.c
index af29932c6d..4039899cf0 100644
--- a/libavcodec/dirac_dwt.c
+++ b/libavcodec/dirac_dwt.c
@@ -45,11 +45,11 @@ int ff_spatial_idwt_init(DWTContext *d, DWTPlane *p, enum dwt_type type,
     d->decomposition_count = decomposition_count;
 
     if (bit_depth == 8)
-        ret = ff_spatial_idwt_init_8bit(d, type);
+        ret = spatial_idwt_init_8bit(d, type);
     else if (bit_depth == 10)
-        ret = ff_spatial_idwt_init_10bit(d, type);
+        ret = spatial_idwt_init_10bit(d, type);
     else if (bit_depth == 12)
-        ret = ff_spatial_idwt_init_12bit(d, type);
+        ret = spatial_idwt_init_12bit(d, type);
     else
         av_log(NULL, AV_LOG_WARNING, "Unsupported bit depth = %i\n", bit_depth);
 
diff --git a/libavcodec/dirac_dwt_template.c b/libavcodec/dirac_dwt_template.c
index 5d55d932a1..f1d7f8b22f 100644
--- a/libavcodec/dirac_dwt_template.c
+++ b/libavcodec/dirac_dwt_template.c
@@ -516,7 +516,7 @@ static void RENAME(spatial_compose_dd137i_init)(DWTCompose *cs, uint8_t *buffer,
     cs->y = -5;
 }
 
-static int RENAME(ff_spatial_idwt_init)(DWTContext *d, enum dwt_type type)
+static int RENAME(spatial_idwt_init)(DWTContext *d, enum dwt_type type)
 {
     int level;