diff --git a/data/json/monsters/zed_skeletal.json b/data/json/monsters/zed_skeletal.json
index d12bc29310135..25b51207030dd 100644
--- a/data/json/monsters/zed_skeletal.json
+++ b/data/json/monsters/zed_skeletal.json
@@ -32,7 +32,6 @@
     "material": [ "bone" ],
     "color": "white",
     "melee_dice": 2,
-    "melee_dice_sides": 8,
     "melee_damage": [ { "damage_type": "cut", "amount": 10 } ],
     "bleed_rate": 0,
     "vision_day": 35,
@@ -89,7 +88,6 @@
     "name": { "str": "skeletal juggernaut" },
     "description": "This hideous golem of plated bones and misshapen flesh drags its heavy, pointed limbs behind it like an unwanted burden.  Formerly soft and vulnerable, bones grew around its form to protect it - only, they kept growing.  And growing.  And growing.",
     "copy-from": "mon_zombie_hulk",
-    "diff": 5,
     "speed": 60,
     "material": [ "bone" ],
     "color": "white",
@@ -98,7 +96,6 @@
     "melee_damage": [ { "damage_type": "cut", "amount": 15 } ],
     "vision_day": 50,
     "harvest": "big_mr_bones",
-    "grab_strength": 50,
     "special_attacks": [
       { "id": "grab" },
       { "id": "bite_humanoid" },
diff --git a/data/json/monsters/zed_soldiers.json b/data/json/monsters/zed_soldiers.json
index d1c8857a27143..d32c26b5d351c 100644
--- a/data/json/monsters/zed_soldiers.json
+++ b/data/json/monsters/zed_soldiers.json
@@ -151,7 +151,6 @@
     "speed": 80,
     "color": "light_green_white",
     "melee_skill": 5,
-    "melee_dice": 2,
     "melee_dice_sides": 6,
     "harvest": "zombie_kevlar",
     "grab_strength": 30,