diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
index 3c9843f03a..d6b88d93eb 100644
--- a/libavfilter/vf_delogo.c
+++ b/libavfilter/vf_delogo.c
@@ -229,11 +229,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
             avfilter_unref_bufferp(&in);
             return AVERROR(ENOMEM);
         }
-
         avfilter_copy_buffer_ref_props(out, in);
-
-        out->video->w = outlink->w;
-        out->video->h = outlink->h;
     }
 
     for (plane = 0; plane < 4 && in->data[plane]; plane++) {
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 32d8796071..a9eeca54f2 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -198,10 +198,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
             avfilter_unref_bufferp(&in);
             return AVERROR(ENOMEM);
         }
-
         avfilter_copy_buffer_ref_props(out, in);
-        out->video->w = outlink->w;
-        out->video->h = outlink->h;
     }
 
     for (p = 0; p < 4 && in->data[p]; p++) {
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index 939a31df28..4ea4ac9aa0 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -338,10 +338,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
             avfilter_unref_bufferp(&in);
             return AVERROR(ENOMEM);
         }
-
         avfilter_copy_buffer_ref_props(out, in);
-        out->video->w = outlink->w;
-        out->video->h = outlink->h;
     }
 
     for (c = 0; c < 3; c++) {