diff --git a/lib/linguist/extensions.yml b/lib/linguist/extensions.yml
index b77867b2..ea89e81e 100644
--- a/lib/linguist/extensions.yml
+++ b/lib/linguist/extensions.yml
@@ -202,7 +202,6 @@ Haml:
 Haskell:
   :ext:
   - .hs
-  - .lhs
   - .hsc
 INI:
   :ext: