diff --git a/libavfilter/vf_guided.c b/libavfilter/vf_guided.c
index f808ba1043..bf8be866e6 100644
--- a/libavfilter/vf_guided.c
+++ b/libavfilter/vf_guided.c
@@ -367,10 +367,6 @@ static int config_output(AVFilterLink *outlink)
             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);
-        }
     }
 
     outlink->w = mainlink->w;