diff --git a/libavfilter/vf_convolve.c b/libavfilter/vf_convolve.c
index ab6d1a271f..70d6793a50 100644
--- a/libavfilter/vf_convolve.c
+++ b/libavfilter/vf_convolve.c
@@ -162,10 +162,6 @@ static int config_input_impulse(AVFilterLink *inlink)
         av_log(ctx, AV_LOG_ERROR, "Width and height of input videos must be same.\n");
         return AVERROR(EINVAL);
     }
-    if (ctx->inputs[0]->format != ctx->inputs[1]->format) {
-        av_log(ctx, AV_LOG_ERROR, "Inputs must be of same pixel format.\n");
-        return AVERROR(EINVAL);
-    }
 
     return 0;
 }