diff --git a/src/MdToHTML.hs b/src/MdToHTML.hs
index 6408fb6..86557ce 100644
--- a/src/MdToHTML.hs
+++ b/src/MdToHTML.hs
@@ -1,4 +1,6 @@
-{-# LANGUAGE InstanceSigs #-}
+{-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
+
+{-# HLINT ignore "Use lambda-case" #-}
 
 module MdToHTML where
 
@@ -40,7 +42,6 @@ data MdToken
 
 -- Deriving Show for MdToken
 instance Show MdToken where
-  show :: MdToken -> String
   show (Document tokens) = concatMap show tokens
   show (Header level token) = "<h" ++ show level ++ ">" ++ show token ++ "</h" ++ show level ++ ">"
   show (Para token) = "<p>" ++ show token ++ "</p>"