diff --git a/grammar.js b/grammar.js
index b365093..c604cf0 100644
--- a/grammar.js
+++ b/grammar.js
@@ -85,7 +85,7 @@ module.exports = grammar({
     translation_unit: $ => repeat($._top_level_item),
 
     _linux_kernel_annotations: $ => token(choice(
-        '__init',
+      '__init',
       '__exit',
       '__initdata',
       '__exitdata',
@@ -117,10 +117,6 @@ module.exports = grammar({
       '__kernel',
       '__force',
       '__iomem',
-      '__acquires',
-      '__releases',
-      '__acquire',
-      '__release',
       '__rcu',
       '__percpu',
       '__init_once'
diff --git a/src/grammar.json b/src/grammar.json
index 2620e7c..2cdbeb7 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -142,22 +142,6 @@
             "type": "STRING",
             "value": "__iomem"
           },
-          {
-            "type": "STRING",
-            "value": "__acquires"
-          },
-          {
-            "type": "STRING",
-            "value": "__releases"
-          },
-          {
-            "type": "STRING",
-            "value": "__acquire"
-          },
-          {
-            "type": "STRING",
-            "value": "__release"
-          },
           {
             "type": "STRING",
             "value": "__rcu"