diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 8010f4d..93a0b97 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -9,7 +9,6 @@ endif
 
 runtime! syntax/html.vim
 unlet! b:current_syntax
-syn include @markdownYamlTop syntax/yaml.vim
 
 syn sync minlines=10
 syn case ignore
@@ -45,8 +44,6 @@ syn match markdownOrderedListMarker " \{0,4}\<\d\+\.\%(\s*\S\)\@=" contained
 syn match markdownRule "\* *\* *\*[ *]*$" contained
 syn match markdownRule "- *- *-[ -]*$" contained
 
-syn region markdownYamlHead start="\%^---$" end="^---\s*$" keepend contains=@markdownYamlTop
-
 syn match markdownLineBreak "\s\{2,\}$"
 
 syn region markdownIdDeclaration matchgroup=markdownLinkDelimiter start="^ \{0,2\}!\=\[" end="\]:" oneline keepend nextgroup=markdownUrl skipwhite