diff --git a/grammars.yml b/grammars.yml
index 695dbd44..048f7da8 100644
--- a/grammars.yml
+++ b/grammars.yml
@@ -531,8 +531,6 @@ vendor/grammars/verilog.tmbundle:
 vendor/grammars/x86-assembly-textmate-bundle:
 - source.asm.x86
 vendor/grammars/xc.tmbundle/:
-- source.c
-- source.c.platform
 - source.xc
 vendor/grammars/xml.tmbundle:
 - text.xml
diff --git a/vendor/grammars/xc.tmbundle b/vendor/grammars/xc.tmbundle
index 83a61a26..7239c92b 160000
--- a/vendor/grammars/xc.tmbundle
+++ b/vendor/grammars/xc.tmbundle
@@ -1 +1 @@
-Subproject commit 83a61a26308208ee95354965fe023954c11b6e30
+Subproject commit 7239c92bd612b01fc5bfea36056d530db78d6c64