diff --git a/code/modules/surgery/organs/organ_external.dm b/code/modules/surgery/organs/organ_external.dm
index 98e372eb21e..cc142ae3fd0 100644
--- a/code/modules/surgery/organs/organ_external.dm
+++ b/code/modules/surgery/organs/organ_external.dm
@@ -175,10 +175,8 @@
 #define LIMB_THRESH_INT_DMG 10
 	// Probability of taking internal damage from sufficient force, while otherwise healthy
 #define LIMB_DMG_PROB 5
-	// Probability of taking internal damage when hit while lacking encasing bones
-#define LIMB_NO_BONE_DMG_PROB 30
 	// High brute damage or sharp objects may damage internal organs
-	if(internal_organs && (brute_dam >= max_damage || (((sharp && brute >= LIMB_SHARP_THRESH_INT_DMG) || brute >= LIMB_THRESH_INT_DMG) && prob(LIMB_DMG_PROB)) || (!encased && prob(LIMB_NO_BONE_DMG_PROB))))
+	if(internal_organs && (brute_dam >= max_damage || (((sharp && brute >= LIMB_SHARP_THRESH_INT_DMG) || brute >= LIMB_THRESH_INT_DMG) && prob(LIMB_DMG_PROB))))
 		// Damage an internal organ
 		if(internal_organs && internal_organs.len)
 			var/obj/item/organ/internal/I = pick(internal_organs)