diff --git a/audio/audio.c b/audio/audio.c
index e29a1e15eb30b31528e69d6daf8df00022e665a4..435bcf20c139920c2db23045a6b7287a947a1bc2 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -541,7 +541,7 @@ static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw)
     return m;
 }
 
-size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
+static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
 {
     size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw);
     if (audio_bug(__func__, live > hw->samples)) {
@@ -551,29 +551,7 @@ size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
     return live;
 }
 
-size_t audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf,
-                             size_t live, size_t pending)
-{
-    size_t left = hw->samples - pending;
-    size_t len = MIN (left, live);
-    size_t clipped = 0;
-
-    while (len) {
-        struct st_sample *src = hw->mix_buf + hw->rpos;
-        uint8_t *dst = advance (pcm_buf, hw->rpos << hw->info.shift);
-        size_t samples_till_end_of_buf = hw->samples - hw->rpos;
-        size_t samples_to_clip = MIN (len, samples_till_end_of_buf);
-
-        hw->clip (dst, src, samples_to_clip);
-
-        hw->rpos = (hw->rpos + samples_to_clip) % hw->samples;
-        len -= samples_to_clip;
-        clipped += samples_to_clip;
-    }
-    return clipped;
-}
-
-static void audio_pcm_hw_clip_out2(HWVoiceOut *hw, void *pcm_buf, size_t len)
+static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len)
 {
     size_t clipped = 0;
     size_t pos = hw->rpos;
@@ -1083,7 +1061,7 @@ static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live)
         }
 
         decr = MIN(size >> hw->info.shift, live);
-        audio_pcm_hw_clip_out2(hw, buf, decr);
+        audio_pcm_hw_clip_out(hw, buf, decr);
         proc = hw->pcm_ops->put_buffer_out(hw, buf, decr << hw->info.shift) >>
             hw->info.shift;
 
@@ -1146,11 +1124,7 @@ static void audio_run_out (AudioState *s)
         }
 
         prev_rpos = hw->rpos;
-        if (hw->pcm_ops->run_out) {
-            played = hw->pcm_ops->run_out(hw, live);
-        } else {
-            played = audio_pcm_hw_run_out(hw, live);
-        }
+        played = audio_pcm_hw_run_out(hw, live);
         replay_audio_out(&played);
         if (audio_bug(__func__, hw->rpos >= hw->samples)) {
             dolog("hw->rpos=%zu hw->samples=%zu played=%zu\n",
@@ -1247,12 +1221,8 @@ static void audio_run_in (AudioState *s)
         size_t captured = 0, min;
 
         if (replay_mode != REPLAY_MODE_PLAY) {
-            if (hw->pcm_ops->run_in) {
-                captured = hw->pcm_ops->run_in(hw);
-            } else {
-                captured = audio_pcm_hw_run_in(
-                    hw, hw->samples - audio_pcm_hw_get_live_in(hw));
-            }
+            captured = audio_pcm_hw_run_in(
+                hw, hw->samples - audio_pcm_hw_get_live_in(hw));
         }
         replay_audio_in(&captured, hw->conv_buf, &hw->wpos, hw->samples);
 
diff --git a/audio/audio_int.h b/audio/audio_int.h
index 8fb1ca8a8d0f7bdcf30dd6dbad32031eed50efd1..c76d7c39e84c1eb0bde17a4016494908fb440de8 100644
--- a/audio/audio_int.h
+++ b/audio/audio_int.h
@@ -153,7 +153,6 @@ struct audio_driver {
 struct audio_pcm_ops {
     int    (*init_out)(HWVoiceOut *hw, audsettings *as, void *drv_opaque);
     void   (*fini_out)(HWVoiceOut *hw);
-    size_t (*run_out)(HWVoiceOut *hw, size_t live);
     size_t (*write)   (HWVoiceOut *hw, void *buf, size_t size);
     /*
      * get a buffer that after later can be passed to put_buffer_out; optional
@@ -171,7 +170,6 @@ struct audio_pcm_ops {
 
     int    (*init_in) (HWVoiceIn *hw, audsettings *as, void *drv_opaque);
     void   (*fini_in) (HWVoiceIn *hw);
-    size_t (*run_in)(HWVoiceIn *hw);
     size_t (*read)    (HWVoiceIn *hw, void *buf, size_t size);
     void  *(*get_buffer_in)(HWVoiceIn *hw, size_t *size);
     void   (*put_buffer_in)(HWVoiceIn *hw, void *buf, size_t size);
@@ -237,11 +235,6 @@ audio_driver *audio_driver_lookup(const char *name);
 void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as);
 void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
 
-size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw);
-
-size_t audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf,
-                             size_t live, size_t pending);
-
 int audio_bug (const char *funcname, int cond);
 void *audio_calloc (const char *funcname, int nmemb, size_t size);