Some more cleanup

src/audio/effects.c

@@ -511,7 +511,7 @@ s32 adsr_update(struct AdsrState *adsr) {
         }
 
         case ADSR_STATE_SUSTAIN:
-            adsr->delay -= 1;
+            adsr->delay--;
             if (adsr->delay == 0) {
                 adsr->state = ADSR_STATE_RELEASE;
             }

src/audio/external.c

@@ -1281,9 +1281,6 @@ static u8 get_sound_reverb(UNUSED u8 bank, UNUSED u8 soundIndex, u8 channelIndex
     return reverb;
 }
 
-static void noop_8031EEC8(void) {
-}
-
 /**
  * Called from the game loop thread to inform the audio thread that a new game
  * frame has started.
@@ -1295,7 +1292,6 @@ void audio_signal_game_loop_tick(void) {
 #if defined(VERSION_EU) || defined(VERSION_SH)
     maybe_tick_game_sound();
 #endif
-    noop_8031EEC8();
 }
 
 /**

src/audio/load_sh.c

@@ -1488,7 +1488,7 @@ void func_sh_802f5310(s32 bankId, struct AudioBank *mem, struct PatchStruct *pat
     if (D_SH_8034F68C != 0 && sp4C == 0) {
         temp_s0 = D_SH_8034EC88[D_SH_8034F68C - 1].sample;
         temp = (temp_s0->size >> 12);
-        temp += 1;
+        temp++;
         count = (uintptr_t) temp_s0->sampleAddr;
         func_sh_802f4cb4(
             count,
@@ -1540,7 +1540,7 @@ next:
             sampleAddr = sample->sampleAddr;
             size = sample->size;
             unk = size >> 0xC;
-            unk += 1;
+            unk++;
             added = ((sampleAddr + size) + sample->medium);
             if (added != D_SH_8034EC88[D_SH_8034F68C - 1].endAndMediumIdentification) {
                 D_SH_8034EC88[D_SH_8034F68C - 1].isFree = TRUE;