diff --git a/src/Mima/Parse/FlagFile.hs b/src/Mima/Parse/FlagFile.hs
index 33336a2..7419483 100644
--- a/src/Mima/Parse/FlagFile.hs
+++ b/src/Mima/Parse/FlagFile.hs
@@ -31,7 +31,6 @@ lAddressRange :: Parser AddressRange
 lAddressRange = do
   firstAddress <- lAddress
   secondAddress <- (symbol "-" *> lAddress) <|> pure firstAddress
-  void $ symbol ":"
   pure $ range firstAddress secondAddress
 
 lLine :: Parser (AddressRange, Set.Set Char)