diff --git a/src/source/TetrisRogue.cpp b/src/source/TetrisRogue.cpp
index 571828c..6a48d44 100644
--- a/src/source/TetrisRogue.cpp
+++ b/src/source/TetrisRogue.cpp
@@ -413,7 +413,6 @@ static int GetUpgradeBaseRarity(int upgradeId)
     case UPGRADE_DOUBLE_GROWTH:
         return UPGRADE_RARITY_UNCOMMON;
 
-    case UPGRADE_RAINBOW_PIECE:
     case UPGRADE_GAMBLER:
         return UPGRADE_RARITY_RARE;