diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 047d7c1a60..fa181fb659 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -99,7 +99,7 @@
 #endif
 
 // Calculation settings
-#define B_CRIT_CHANCE               GEN_7 // Chances of a critical hit landing. See CalcCritChanceStage.
+#define B_CRIT_CHANCE               GEN_7 // Chances of a critical hit landing. See CalcCritChanceStage. Gen6+ chances guarantee that Farfetch'd and Sirfetch'd always get critical hits while holding a Leek and using high-crit ratio moves.
 #define B_CRIT_MULTIPLIER           GEN_7 // In Gen6+, critical hits multiply damage by 1.5 instead of 2.
 #define B_PARALYSIS_SPEED           GEN_7 // In Gen7+, Speed is decreased by 50% instead of 75%.
 #define B_CONFUSION_SELF_DMG_CHANCE GEN_7 // In Gen7+, confusion has a 33.3% of self-damage, instead of 50%.
@@ -209,7 +209,6 @@
 #define B_HEAVY_BALL_MODIFIER       GEN_7 // In Gen7+, Heavy Ball's ranges change. See Cmd_handleballthrow.
 #define B_DREAM_BALL_MODIFIER       GEN_8 // In Gen8, Dream Ball's catch multiplier is x4 when the target is asleep or has the ability Comatose.
 #define B_SERENE_GRACE_BOOST        GEN_7 // In Gen5+, Serene Grace boosts the added flinch chance of King's Rock and Razor Fang.
-#define B_LEEK_ALWAYS_CRIT          GEN_7 // In Gen6+, if a Farfetch'd or Sirfetch'd holding a Leek use a move with increased Critical Hit ratio, it will always result in a Critical Hit.
 
 // Flag settings
 // To use the following features in scripting, replace the 0s with the flag ID you're assigning it to.
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 1d9009e6e4..d0431c25e3 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -1878,11 +1878,7 @@ s32 CalcCritChanceStage(u8 battlerAtk, u8 battlerDef, u32 move, bool32 recordAbi
     else if (gStatuses3[battlerAtk] & STATUS3_LASER_FOCUS
              || gBattleMoves[move].effect == EFFECT_ALWAYS_CRIT
              || (abilityAtk == ABILITY_MERCILESS && gBattleMons[battlerDef].status1 & STATUS1_PSN_ANY)
-             || move == MOVE_SURGING_STRIKES
-            #if B_LEEK_ALWAYS_CRIT >= GEN_6
-             || ((gBattleMoves[gCurrentMove].flags & FLAG_HIGH_CRIT) && BENEFITS_FROM_LEEK(battlerAtk, holdEffectAtk))
-            #endif
-             )
+             || move == MOVE_SURGING_STRIKES)
     {
         critChance = -2;
     }