diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 6fc3f3d904..7da6cf2643 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -662,12 +662,6 @@ AVFilterContext *ff_filter_alloc(const AVFilter *filter, const char *inst_name)
         if (!ret->outputs)
             goto err;
     }
-#if FF_API_FOO_COUNT
-FF_DISABLE_DEPRECATION_WARNINGS
-    ret->output_count = ret->nb_outputs;
-    ret->input_count  = ret->nb_inputs;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
 
     return ret;
 
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 6684ab5aa8..15b90467f2 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -486,16 +486,10 @@ struct AVFilterContext {
 
     AVFilterPad   *input_pads;      ///< array of input pads
     AVFilterLink **inputs;          ///< array of pointers to input links
-#if FF_API_FOO_COUNT
-    attribute_deprecated unsigned input_count; ///< @deprecated use nb_inputs
-#endif
     unsigned    nb_inputs;          ///< number of input pads
 
     AVFilterPad   *output_pads;     ///< array of output pads
     AVFilterLink **outputs;         ///< array of pointers to output links
-#if FF_API_FOO_COUNT
-    attribute_deprecated unsigned output_count; ///< @deprecated use nb_outputs
-#endif
     unsigned    nb_outputs;         ///< number of output pads
 
     void *priv;                     ///< private data for use by the filter
@@ -1017,20 +1011,11 @@ typedef int (avfilter_execute_func)(AVFilterContext *ctx, avfilter_action_func *
 
 typedef struct AVFilterGraph {
     const AVClass *av_class;
-#if FF_API_FOO_COUNT
-    attribute_deprecated
-    unsigned filter_count_unused;
-#endif
     AVFilterContext **filters;
-#if !FF_API_FOO_COUNT
     unsigned nb_filters;
-#endif
 
     char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
     char *resample_lavr_opts;   ///< libavresample options to use for the auto-inserted resample filters
-#if FF_API_FOO_COUNT
-    unsigned nb_filters;
-#endif
 
     /**
      * Type of multithreading allowed for filters in this graph. A combination
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index bd3853f0b7..b42983140a 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -135,12 +135,6 @@ int avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter)
     graph->filters = filters;
     graph->filters[graph->nb_filters++] = filter;
 
-#if FF_API_FOO_COUNT
-FF_DISABLE_DEPRECATION_WARNINGS
-    graph->filter_count_unused = graph->nb_filters;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
     filter->graph = graph;
 
     return 0;
@@ -206,12 +200,6 @@ AVFilterContext *avfilter_graph_alloc_filter(AVFilterGraph *graph,
     graph->filters = filters;
     graph->filters[graph->nb_filters++] = s;
 
-#if FF_API_FOO_COUNT
-FF_DISABLE_DEPRECATION_WARNINGS
-    graph->filter_count_unused = graph->nb_filters;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
     s->graph = graph;
 
     return s;
diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 75c34360e4..17803c0371 100644
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -269,28 +269,16 @@ int ff_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
 static inline int ff_insert_inpad(AVFilterContext *f, unsigned index,
                                    AVFilterPad *p)
 {
-    int ret = ff_insert_pad(index, &f->nb_inputs, offsetof(AVFilterLink, dstpad),
+    return ff_insert_pad(index, &f->nb_inputs, offsetof(AVFilterLink, dstpad),
                   &f->input_pads, &f->inputs, p);
-#if FF_API_FOO_COUNT
-FF_DISABLE_DEPRECATION_WARNINGS
-    f->input_count = f->nb_inputs;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-    return ret;
 }
 
 /** Insert a new output pad for the filter. */
 static inline int ff_insert_outpad(AVFilterContext *f, unsigned index,
                                     AVFilterPad *p)
 {
-    int ret = ff_insert_pad(index, &f->nb_outputs, offsetof(AVFilterLink, srcpad),
+    return ff_insert_pad(index, &f->nb_outputs, offsetof(AVFilterLink, srcpad),
                   &f->output_pads, &f->outputs, p);
-#if FF_API_FOO_COUNT
-FF_DISABLE_DEPRECATION_WARNINGS
-    f->output_count = f->nb_outputs;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-    return ret;
 }
 
 /**
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 551823bb33..42d3ac73a1 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -49,9 +49,6 @@
  * the public API and may change, break or disappear at any time.
  */
 
-#ifndef FF_API_FOO_COUNT
-#define FF_API_FOO_COUNT                    (LIBAVFILTER_VERSION_MAJOR < 6)
-#endif
 #ifndef FF_API_AVFILTERBUFFER
 #define FF_API_AVFILTERBUFFER               (LIBAVFILTER_VERSION_MAJOR < 6)
 #endif