diff --git a/libavfilter/vf_avgblur.c b/libavfilter/vf_avgblur.c
index c7b88427fd..fdc9d39ce1 100644
--- a/libavfilter/vf_avgblur.c
+++ b/libavfilter/vf_avgblur.c
@@ -138,7 +138,6 @@ static int filter_vertically_##name(AVFilterContext *ctx, void *arg, int jobnr,
         float acc = 0;                                                                        \
         int count = 0;                                                                        \
                                                                                               \
-        ptr = buffer + x;                                                                     \
         src = s->buffer + x;                                                                  \
                                                                                               \
         for (i = 0; i < radius; i++) {                                                        \