diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index d7e47ae1..ce845ce3 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -1082,11 +1082,6 @@ void WS2812FX::service() {
     // last condition ensures all solid segments are updated at the same time
     if (seg.isActive() && (nowUp > seg.next_time || _triggered || (doShow && seg.mode == FX_MODE_STATIC)))
     {
-      if (!doShow) {
-        // returning bus brightness to its original value is done here, as to not interfere with asyncronous show()
-        // TODO if it is safe, prefer to restore brightness in show()
-        busses.setBrightness(_brightness, true); // "repaint" all pixels if brightness has changed
-      }
       doShow = true;
       uint16_t delay = FRAMETIME;
 
@@ -1247,9 +1242,10 @@ void WS2812FX::show(void) {
   // See https://github.com/Makuna/NeoPixelBus/wiki/ESP32-NeoMethods#neoesp32rmt-methods
   busses.show();
 
-  // returning bus brightness to its original value is done in the next frame, as to not interfere with asyncronous show()
-  // TODO if it is safe, prefer to restore brightness here
-  //if (newBri < _brightness) busses.setBrightness(_brightness, true);
+  // restore bus brightness to its original value
+  // this is done right after show, so this is only OK if LED updates are completed before show() returns
+  // or async show has a separate buffer (ESP32 RMT and I2S are ok)
+  if (newBri < _brightness) busses.setBrightness(_brightness, true);
 
   #ifdef WLED_DEBUG
   sumMicros += micros() - microsStart;
@@ -1321,6 +1317,8 @@ void WS2812FX::setCCT(uint16_t k) {
   }
 }
 
+// direct=true either expects the caller to call show() themselves (realtime modes) or be ok waiting for the next frame for the change to apply
+// direct=false immediately triggers an effect redraw
 void WS2812FX::setBrightness(uint8_t b, bool direct) {
   if (gammaCorrectBri) b = gamma8(b);
   if (_brightness == b) return;
diff --git a/wled00/bus_wrapper.h b/wled00/bus_wrapper.h
index 8b6ee660..72b4435e 100644
--- a/wled00/bus_wrapper.h
+++ b/wled00/bus_wrapper.h
@@ -911,104 +911,6 @@ class PolyBus {
     }
   }
 
-  static void applyPostAdjustments(void* busPtr, uint8_t busType) {
-    switch (busType) {
-      case I_NONE: break;
-    #ifdef ESP8266
-      case I_8266_U0_NEO_3: (static_cast<B_8266_U0_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_NEO_3: (static_cast<B_8266_U1_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_NEO_3: (static_cast<B_8266_DM_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_NEO_3: (static_cast<B_8266_BB_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U0_NEO_4: (static_cast<B_8266_U0_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_NEO_4: (static_cast<B_8266_U1_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_NEO_4: (static_cast<B_8266_DM_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_NEO_4: (static_cast<B_8266_BB_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U0_400_3: (static_cast<B_8266_U0_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_400_3: (static_cast<B_8266_U1_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_400_3: (static_cast<B_8266_DM_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_400_3: (static_cast<B_8266_BB_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U0_TM1_4: (static_cast<B_8266_U0_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_TM1_4: (static_cast<B_8266_U1_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_TM1_4: (static_cast<B_8266_DM_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_TM1_4: (static_cast<B_8266_BB_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U0_TM2_3: (static_cast<B_8266_U0_TM2_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_TM2_3: (static_cast<B_8266_U1_TM2_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_TM2_3: (static_cast<B_8266_DM_TM2_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_TM2_3: (static_cast<B_8266_BB_TM2_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U0_UCS_3: (static_cast<B_8266_U0_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_UCS_3: (static_cast<B_8266_U1_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_UCS_3: (static_cast<B_8266_DM_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_UCS_3: (static_cast<B_8266_BB_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U0_UCS_4: (static_cast<B_8266_U0_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_U1_UCS_4: (static_cast<B_8266_U1_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_DM_UCS_4: (static_cast<B_8266_DM_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_8266_BB_UCS_4: (static_cast<B_8266_BB_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-    #endif
-    #ifdef ARDUINO_ARCH_ESP32
-      case I_32_RN_NEO_3: (static_cast<B_32_RN_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: (static_cast<B_32_I0_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: (static_cast<B_32_I1_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-//      case I_32_BB_NEO_3: (static_cast<B_32_BB_NEO_3*>(busPtr))->SetLuminance(b); (static_cast<B_32_BB_NEO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_RN_NEO_4: (static_cast<B_32_RN_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_4: (static_cast<B_32_I0_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_4: (static_cast<B_32_I1_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-//      case I_32_BB_NEO_4: (static_cast<B_32_BB_NEO_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_RN_400_3: (static_cast<B_32_RN_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_400_3: (static_cast<B_32_I0_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_400_3: (static_cast<B_32_I1_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-//      case I_32_BB_400_3: (static_cast<B_32_BB_400_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_RN_TM1_4: (static_cast<B_32_RN_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_RN_TM2_3: (static_cast<B_32_RN_TM2_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_TM1_4: (static_cast<B_32_I0_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_I0_TM2_3: (static_cast<B_32_I0_TM2_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_TM1_4: (static_cast<B_32_I1_TM1_4*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_I1_TM2_3: (static_cast<B_32_I1_TM2_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      case I_32_RN_UCS_3: (static_cast<B_32_RN_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_UCS_3: (static_cast<B_32_I0_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_UCS_3: (static_cast<B_32_I1_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-//      case I_32_BB_UCS_3: (static_cast<B_32_BB_UCS_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_32_RN_UCS_4: (static_cast<B_32_RN_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_UCS_4: (static_cast<B_32_I0_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_UCS_4: (static_cast<B_32_I1_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-      #endif
-//      case I_32_BB_UCS_4: (static_cast<B_32_BB_UCS_4*>(busPtr))->ApplyPostAdjustments(); break;
-    #endif
-      case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_SS_DOT_3: (static_cast<B_SS_DOT_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_HS_LPD_3: (static_cast<B_HS_LPD_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_SS_LPD_3: (static_cast<B_SS_LPD_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_HS_LPO_3: (static_cast<B_HS_LPO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_SS_LPO_3: (static_cast<B_SS_LPO_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_HS_WS1_3: (static_cast<B_HS_WS1_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_SS_WS1_3: (static_cast<B_SS_WS1_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_HS_P98_3: (static_cast<B_HS_P98_3*>(busPtr))->ApplyPostAdjustments(); break;
-      case I_SS_P98_3: (static_cast<B_SS_P98_3*>(busPtr))->ApplyPostAdjustments(); break;
-    }
-  }
-
   static uint32_t getPixelColor(void* busPtr, uint8_t busType, uint16_t pix, uint8_t co) {
     RgbwColor col(0,0,0,0);
     switch (busType) {