diff --git a/libavfilter/af_afftfilt.c b/libavfilter/af_afftfilt.c
index 7714f1768f..a135a99d94 100644
--- a/libavfilter/af_afftfilt.c
+++ b/libavfilter/af_afftfilt.c
@@ -417,23 +417,6 @@ static int activate(AVFilterContext *ctx)
     return FFERROR_NOT_READY;
 }
 
-static int query_formats(AVFilterContext *ctx)
-{
-    static const enum AVSampleFormat sample_fmts[] = {
-        AV_SAMPLE_FMT_FLTP,
-        AV_SAMPLE_FMT_NONE
-    };
-    int ret = ff_set_common_all_channel_counts(ctx);
-    if (ret < 0)
-        return ret;
-
-    ret = ff_set_common_formats_from_list(ctx, sample_fmts);
-    if (ret < 0)
-        return ret;
-
-    return ff_set_common_all_samplerates(ctx);
-}
-
 static av_cold void uninit(AVFilterContext *ctx)
 {
     AFFTFiltContext *s = ctx->priv;
@@ -489,7 +472,7 @@ const AVFilter ff_af_afftfilt = {
     .priv_class      = &afftfilt_class,
     FILTER_INPUTS(inputs),
     FILTER_OUTPUTS(outputs),
-    FILTER_QUERY_FUNC(query_formats),
+    FILTER_SINGLE_SAMPLEFMT(AV_SAMPLE_FMT_FLTP),
     .activate        = activate,
     .uninit          = uninit,
     .flags           = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,