diff --git a/src/etc/vim/after/syntax/rust.vim b/src/etc/vim/after/syntax/rust.vim
index 75afe3d03684f..1ab8394e565a0 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
diff --git a/src/etc/vim/syntax/rust.vim b/src/etc/vim/syntax/rust.vim
index 3b5324f5cced3..cd794df0a8d89 100644
--- a/src/etc/vim/syntax/rust.vim
+++ b/src/etc/vim/syntax/rust.vim
@@ -15,7 +15,7 @@ syn keyword   rustOperator    as
 
 syn keyword   rustKeyword     break copy do drop extern
 syn keyword   rustKeyword     for if impl let log
-syn keyword   rustKeyword     copy do drop extern
+syn keyword   rustKeyword     copy do extern
 syn keyword   rustKeyword     for impl let log
 syn keyword   rustKeyword     loop mod once priv pub
 syn keyword   rustKeyword     return
@@ -28,8 +28,8 @@ syn keyword   rustStorage     const mut ref static
 syn match     rustIdentifier  contains=rustIdentifierPrime "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
 syn match     rustFuncName    "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
 
-" Reserved words
-"syn keyword   rustKeyword     m32 m64 m128 f80 f16 f128 be " These are obsolete
+" reserved
+syn keyword   rustKeyword     be
 
 syn keyword   rustType        int uint float char bool u8 u16 u32 u64 f32
 syn keyword   rustType        f64 i8 i16 i32 i64 str Self