diff --git a/mods/cnc/rules/defaults.yaml b/mods/cnc/rules/defaults.yaml
index d8105dd809..ba5ef3148f 100644
--- a/mods/cnc/rules/defaults.yaml
+++ b/mods/cnc/rules/defaults.yaml
@@ -441,7 +441,7 @@
 		Adjacent: 7
 		TerrainTypes: Clear,Road
 	TargetableBuilding:
-		TargetTypes: Ground, C4
+		TargetTypes: Ground
 	Wall:
 		CrushClasses: wall
 		CrushSound: sandbag2.aud
@@ -459,7 +459,6 @@
 	BodyOrientation:
 	FrozenUnderFog:
 	LuaScriptEvents:
-	Demolishable:
 
 ^Tree:
 	Tooltip:
diff --git a/mods/d2k/rules/structures.yaml b/mods/d2k/rules/structures.yaml
index 4caa512ef0..37436f39f7 100644
--- a/mods/d2k/rules/structures.yaml
+++ b/mods/d2k/rules/structures.yaml
@@ -369,7 +369,7 @@
 	LineBuild:
 		Range: 8
 	TargetableBuilding:
-		TargetTypes: Ground, C4
+		TargetTypes: Ground
 	RenderBuildingWall:
 		HasMakeAnimation: false
 		Image: walla
@@ -381,7 +381,6 @@
 	Sellable:
 	Guardable:
 	BodyOrientation:
-	Demolishable:
 
 WALL:
 	Inherits: ^WALL
diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index 0b2e0ee669..c604b4913a 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -290,7 +290,7 @@
 	LineBuild:
 		Range: 8
 	TargetableBuilding:
-		TargetTypes: Ground, C4, DetonateAttack
+		TargetTypes: Ground, DetonateAttack
 	RenderBuildingWall:
 		HasMakeAnimation: false
 		Palette: terrain
@@ -306,7 +306,6 @@
 	BodyOrientation:
 	FrozenUnderFog:
 	LuaScriptEvents:
-	Demolishable:
 
 ^TechBuilding:
 	Inherits: ^Building