diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index e7723182..786ea692 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -1001,14 +1001,6 @@ uint16_t WS2812FX::mode_running_color(void) {
   return running(SEGCOLOR(0), SEGCOLOR(1));
 }
 
-
-/*
- * Alternating red/green pixels running.
- */
-uint16_t WS2812FX::mode_merry_christmas(void) {
-  return running(RED, GREEN);
-}
-
 /*
  * Alternating red/white pixels running.
  */
@@ -3154,7 +3146,7 @@ typedef struct Tetris {
   uint32_t col;
 } tetris;
 
-uint16_t WS2812FX::mode_tetris(void) {
+uint16_t WS2812FX::mode_tetrix(void) {
 
   uint16_t dataSize = sizeof(tetris);
   if (!SEGENV.allocateData(dataSize)) return mode_static(); //allocation failed
@@ -3169,7 +3161,7 @@ uint16_t WS2812FX::mode_tetris(void) {
   }
   
   if (SEGENV.step == 0) {             //init
-    drop->speed = 0.0238 * (SEGMENT.speed ? (SEGMENT.speed>>4)+1 : random8(3,20)); // set speed
+    drop->speed = 0.0238 * (SEGMENT.speed ? (SEGMENT.speed>>3)+1 : random8(6,40)); // set speed
     drop->pos   = SEGLEN-1;           // start at end of segment
     drop->col   = color_from_palette(random8(0,15)<<4,false,false,0);     // limit color choices so there is enough HUE gap
     SEGENV.step = 1;                  // drop state (0 init, 1 forming, 2 falling)
diff --git a/wled00/FX.h b/wled00/FX.h
index 0ee30e31..44c57d07 100644
--- a/wled00/FX.h
+++ b/wled00/FX.h
@@ -118,7 +118,7 @@
 #define IS_REVERSE      ((SEGMENT.options & REVERSE     ) == REVERSE     )
 #define IS_SELECTED     ((SEGMENT.options & SELECTED    ) == SELECTED    )
 
-#define MODE_COUNT  119
+#define MODE_COUNT  118
 
 #define FX_MODE_STATIC                   0
 #define FX_MODE_BLINK                    1
@@ -164,7 +164,7 @@
 #define FX_MODE_COMET                   41
 #define FX_MODE_FIREWORKS               42
 #define FX_MODE_RAIN                    43
-#define FX_MODE_MERRY_CHRISTMAS         44
+#define FX_MODE_TETRIX                  44
 #define FX_MODE_FIRE_FLICKER            45
 #define FX_MODE_GRADIENT                46
 #define FX_MODE_LOADING                 47
@@ -238,7 +238,6 @@
 #define FX_MODE_BLENDS                 115
 #define FX_MODE_TV_SIMULATOR           116
 #define FX_MODE_DYNAMIC_SMOOTH         117
-#define FX_MODE_TETRIS                 118
 
 
 class WS2812FX {
@@ -502,7 +501,7 @@ class WS2812FX {
       _mode[FX_MODE_COMET]                   = &WS2812FX::mode_comet;
       _mode[FX_MODE_FIREWORKS]               = &WS2812FX::mode_fireworks;
       _mode[FX_MODE_RAIN]                    = &WS2812FX::mode_rain;
-      _mode[FX_MODE_MERRY_CHRISTMAS]         = &WS2812FX::mode_merry_christmas;
+      _mode[FX_MODE_TETRIX]                  = &WS2812FX::mode_tetrix;
       _mode[FX_MODE_FIRE_FLICKER]            = &WS2812FX::mode_fire_flicker;
       _mode[FX_MODE_GRADIENT]                = &WS2812FX::mode_gradient;
       _mode[FX_MODE_LOADING]                 = &WS2812FX::mode_loading;
@@ -578,7 +577,6 @@ class WS2812FX {
       _mode[FX_MODE_BLENDS]                  = &WS2812FX::mode_blends;
       _mode[FX_MODE_TV_SIMULATOR]            = &WS2812FX::mode_tv_simulator;
       _mode[FX_MODE_DYNAMIC_SMOOTH]          = &WS2812FX::mode_dynamic_smooth;
-      _mode[FX_MODE_TETRIS]                  = &WS2812FX::mode_tetris;
 
       _brightness = DEFAULT_BRIGHTNESS;
       currentPalette = CRGBPalette16(CRGB::Black);
@@ -719,7 +717,7 @@ class WS2812FX {
       mode_comet(void),
       mode_fireworks(void),
       mode_rain(void),
-      mode_merry_christmas(void),
+      mode_tetrix(void),
       mode_halloween(void),
       mode_fire_flicker(void),
       mode_gradient(void),
@@ -793,8 +791,7 @@ class WS2812FX {
       mode_candy_cane(void),
       mode_blends(void),
       mode_tv_simulator(void),
-      mode_dynamic_smooth(void),
-      mode_tetris(void);
+      mode_dynamic_smooth(void);
 
   private:
     NeoPixelWrapper *bus;
@@ -887,14 +884,14 @@ const char JSON_mode_names[] PROGMEM = R"=====([
 "Scan","Scan Dual","Fade","Theater","Theater Rainbow","Running","Saw","Twinkle","Dissolve","Dissolve Rnd",
 "Sparkle","Sparkle Dark","Sparkle+","Strobe","Strobe Rainbow","Strobe Mega","Blink Rainbow","Android","Chase","Chase Random",
 "Chase Rainbow","Chase Flash","Chase Flash Rnd","Rainbow Runner","Colorful","Traffic Light","Sweep Random","Running 2","Aurora","Stream",
-"Scanner","Lighthouse","Fireworks","Rain","Merry Christmas","Fire Flicker","Gradient","Loading","Police","Police All",
+"Scanner","Lighthouse","Fireworks","Rain","Tetrix","Fire Flicker","Gradient","Loading","Police","Police All",
 "Two Dots","Two Areas","Circus","Halloween","Tri Chase","Tri Wipe","Tri Fade","Lightning","ICU","Multi Comet",
 "Scanner Dual","Stream 2","Oscillate","Pride 2015","Juggle","Palette","Fire 2012","Colorwaves","Bpm","Fill Noise",
 "Noise 1","Noise 2","Noise 3","Noise 4","Colortwinkles","Lake","Meteor","Meteor Smooth","Railway","Ripple",
 "Twinklefox","Twinklecat","Halloween Eyes","Solid Pattern","Solid Pattern Tri","Spots","Spots Fade","Glitter","Candle","Fireworks Starburst",
 "Fireworks 1D","Bouncing Balls","Sinelon","Sinelon Dual","Sinelon Rainbow","Popcorn","Drip","Plasma","Percent","Ripple Rainbow",
 "Heartbeat","Pacifica","Candle Multi", "Solid Glitter","Sunrise","Phased","Twinkleup","Noise Pal", "Sine","Phased Noise",
-"Flow","Chunchun","Dancing Shadows","Washing Machine","Candy Cane","Blends","TV Simulator","Dynamic Smooth","Tetris"
+"Flow","Chunchun","Dancing Shadows","Washing Machine","Candy Cane","Blends","TV Simulator","Dynamic Smooth"
 ])=====";