diff --git a/scripts/v7/ch4-02-ip-prefix-slicer.rsc b/scripts/v7/ch4-02-ip-prefix-slicer.rsc
deleted file mode 100644
index 85df49c..0000000
--- a/scripts/v7/ch4-02-ip-prefix-slicer.rsc
+++ /dev/null
@@ -1,14 +0,0 @@
-# ch4-02-ip-prefix-slicer.rsc
-
-# Create a function to slice up an IP prefix
-:global IpPrefixSlicerFunc do={
-	:local InterfaceIp ([/ip/address get $1]->"address");
-	:local SlashPosition [:find $InterfaceIp "/"];
-	:local IpAddress [:pick $InterfaceIp 0 $SlashPosition];
-	:return [:toip $IpAddress]
-}
-
-# Run the function for ID *1 and verify data type of result
-:local IpAddress [$IpPrefixSlicerFunc *1];
-:put ("Result: $IpAddress");
-:put ("Data type: " . [:typeof $IpAddress]);
\ No newline at end of file