diff --git a/types/chai/chai-tests.ts b/types/chai/chai-tests.ts
index 2f19c46cb1..141c985dd4 100644
--- a/types/chai/chai-tests.ts
+++ b/types/chai/chai-tests.ts
@@ -349,10 +349,6 @@ function eql() {
     (4).should.eql(3, 'blah');
 }
 
-class Buffer {
-    constructor(arr: number[]) {
-    }
-}
 function buffer() {
     expect(new Buffer([1])).to.eql(new Buffer([1]));
     (new Buffer([1])).should.eql(new Buffer([1]));
diff --git a/types/chai/tslint.json b/types/chai/tslint.json
index 7082cc4bbc..043173f36d 100644
--- a/types/chai/tslint.json
+++ b/types/chai/tslint.json
@@ -9,7 +9,6 @@
         "no-empty-interface": false,
         "no-inferrable-types": false,
         "no-redundant-jsdoc-2": false,
-        "no-unnecessary-class": false,
         "no-unnecessary-generics": false,
         "prefer-const": false,
         "strict-export-declare-modifiers": false