diff --git a/Resources/migration.yml b/Resources/migration.yml
index 6624cfffc3e..ae323604bfc 100644
--- a/Resources/migration.yml
+++ b/Resources/migration.yml
@@ -66,12 +66,12 @@ MagazinePistolSubMachineGunHighVelocity: MagazinePistolSubMachineGun
 MagazineRifleHighVelocity: MagazineRifle
 SpeedLoaderMagnumHighVelocity: SpeedLoaderMagnum
 SpeedLoaderPistolHighVelocity: SpeedLoaderPistol
-
+#
 # 2023-08-07
 #If the name is anything to go off of, these are presumably just CEV-Eris versions of the snow rock (which we already have.)
 #They are practically never used in this way however, so they're migrated to the basic rock type.
-MountainRock: AsteroidRock
-MountainRockMining: AsteroidRockMining
+#MountainRock: AsteroidRock #DeltaV
+#MountainRockMining: AsteroidRockMining #DeltaV
 
 # 2023-08-08
 WindowTintedDirectional: WindowFrostedDirectional