diff --git a/README.md b/README.md
index 2c9fc24..47ea5df 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,6 @@ Create `~/.vim/after/syntax/html.vim` and write these line:
     syn include @htmlCss syntax/css/css3-exclusions.vim
     syn include @htmlCss syntax/css/css3-flexbox.vim
     syn include @htmlCss syntax/css/css3-gcpm.vim
-    syn include @htmlCss syntax/css/css3-grid.vim
     syn include @htmlCss syntax/css/css3-grid-layout.vim
     syn include @htmlCss syntax/css/css3-hyperlinks.vim
     syn include @htmlCss syntax/css/css3-images.vim
@@ -66,7 +65,6 @@ Create `~/.vim/after/syntax/scss.vim` and write these lines:
     runtime! syntax/css/css3-exclusions.vim
     runtime! syntax/css/css3-flexbox.vim
     runtime! syntax/css/css3-gcpm.vim
-    runtime! syntax/css/css3-grid.vim
     runtime! syntax/css/css3-grid-layout.vim
     runtime! syntax/css/css3-hyperlinks.vim
     runtime! syntax/css/css3-images.vim
@@ -108,6 +106,10 @@ These commands highlight vendor prefixed properties and functions instantly with
 HISTORY
 -------
 
+### v0.6
+
+  * Remove deprecated CSS Grid Positioning Module
+
 ### v0.5
 
   * Add CSS Regions Module Level 3 features
diff --git a/after/syntax/css/css3-grid.vim b/after/syntax/css/css3-grid.vim
deleted file mode 100644
index 89285d0..0000000
--- a/after/syntax/css/css3-grid.vim
+++ /dev/null
@@ -1,3 +0,0 @@
-" TODO: create cssGridProp group and cssValueGrid group
-syn match cssFontProp contained "\<grid-\(columns\|rows\)\>"
-syn match cssValueInteger contained "\d\+gr"