diff --git a/.eslintrc.js b/.eslintrc.js
index bd5a90a..ac6170c 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -45,4 +45,7 @@ module.exports = {
       version: "detect",
     },
   },
+  globals: {
+    BigInt: "readonly",
+  },
 };
diff --git a/src/grain/grain.js b/src/grain/grain.js
index e3316b1..228e86c 100644
--- a/src/grain/grain.js
+++ b/src/grain/grain.js
@@ -1,7 +1,5 @@
 // @flow
 
-/* global BigInt */
-
 /**
  * This module contains the types for tracking Grain, which is the native
  * project-specific, cred-linked token created in SourceCred instances. In