diff --git a/src/etc/vim/after/syntax/rust.vim b/src/etc/vim/after/syntax/rust.vim
index 75afe3d03684..1ab8394e565a 100644
--- a/src/etc/vim/after/syntax/rust.vim
+++ b/src/etc/vim/after/syntax/rust.vim
@@ -11,10 +11,6 @@ syn match rustRightArrowHead contained ">" conceal cchar= 
 syn match rustRightArrowTail contained "-" conceal cchar=⟶
 syn match rustNiceOperator "->" contains=rustRightArrowHead,rustRightArrowTail
 
-syn match rustLeftRightArrowHead contained ">" conceal cchar= 
-syn match rustLeftRightArrowTail contained "<-" conceal cchar=⟷
-syn match rustNiceOperator "<->" contains=rustLeftRightArrowHead,rustLeftRightArrowTail
-
 syn match rustFatRightArrowHead contained ">" conceal cchar= 
 syn match rustFatRightArrowTail contained "=" conceal cchar=⟹
 syn match rustNiceOperator "=>" contains=rustFatRightArrowHead,rustFatRightArrowTail