diff --git a/src/uncategorized/BackwardsCompatibility.tw b/src/uncategorized/BackwardsCompatibility.tw
index abd65b9614192fd678e23a7da908369d358c77d3..dc84412d92b56902fbad213483433476f4f54f06 100644
--- a/src/uncategorized/BackwardsCompatibility.tw
+++ b/src/uncategorized/BackwardsCompatibility.tw
@@ -3104,16 +3104,6 @@ Setting missing slave variables:
 		<<set $genePool.deleteAt(_bci), _bci-->>
 	<</if>>
 
-<<if ndef _Slave.skillS>>
-	<<set _Slave.skillS = 0>>
-<</if>>
-<<if ndef _Slave.skillE>>
-	<<set _Slave.skillE = 0>>
-<</if>>
-<<if ndef _Slave.skillW>>
-	<<set _Slave.skillW = 0>>
-<</if>>
-
 <</for>>
 
 <<if $incubator > 0>>