diff --git a/benchmark/fs/bench-chownSync.js b/benchmark/fs/bench-chownSync.js
index d07f3b65949979..18e2bd35d5264c 100644
--- a/benchmark/fs/bench-chownSync.js
+++ b/benchmark/fs/bench-chownSync.js
@@ -45,7 +45,7 @@ function main({ n, type, method }) {
         }
       }
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     default:
diff --git a/benchmark/fs/bench-linkSync.js b/benchmark/fs/bench-linkSync.js
index 7c3ef29291913e..ead39c338fe6c8 100644
--- a/benchmark/fs/bench-linkSync.js
+++ b/benchmark/fs/bench-linkSync.js
@@ -41,7 +41,7 @@ function main({ n, type }) {
         }
       }
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     default:
diff --git a/benchmark/fs/bench-readlinkSync.js b/benchmark/fs/bench-readlinkSync.js
index 15c22273e557b6..9b3bbceb42e92f 100644
--- a/benchmark/fs/bench-readlinkSync.js
+++ b/benchmark/fs/bench-readlinkSync.js
@@ -30,7 +30,7 @@ function main({ n, type }) {
         returnValue = fs.readlinkSync(tmpdir.resolve(`.readlink-sync-${i}`), { encoding: 'utf8' });
       }
       bench.end(n);
-      assert(returnValue);
+      assert.ok(returnValue);
       break;
     }
 
@@ -45,7 +45,7 @@ function main({ n, type }) {
         }
       }
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     default:
diff --git a/benchmark/fs/bench-readvSync.js b/benchmark/fs/bench-readvSync.js
index c163429b5f6212..21f61ba7e9b7bc 100644
--- a/benchmark/fs/bench-readvSync.js
+++ b/benchmark/fs/bench-readvSync.js
@@ -49,7 +49,7 @@ function main({ n, type }) {
       }
 
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     default:
diff --git a/benchmark/fs/bench-renameSync.js b/benchmark/fs/bench-renameSync.js
index 9f9f5e4e84cda0..2c4c5a39eeb0f4 100644
--- a/benchmark/fs/bench-renameSync.js
+++ b/benchmark/fs/bench-renameSync.js
@@ -23,7 +23,7 @@ function main({ n, type }) {
         }
       }
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     case 'valid': {
diff --git a/benchmark/fs/bench-symlinkSync.js b/benchmark/fs/bench-symlinkSync.js
index 5bf4e0e50779d9..92ceb3579a42e3 100644
--- a/benchmark/fs/bench-symlinkSync.js
+++ b/benchmark/fs/bench-symlinkSync.js
@@ -42,7 +42,7 @@ function main({ n, type }) {
         }
       }
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     default:
diff --git a/benchmark/fs/bench-writevSync.js b/benchmark/fs/bench-writevSync.js
index 596359c6750011..bdcd0919050b4a 100644
--- a/benchmark/fs/bench-writevSync.js
+++ b/benchmark/fs/bench-writevSync.js
@@ -30,7 +30,7 @@ function main({ n, type }) {
       }
 
       bench.end(n);
-      assert(result);
+      assert.ok(result);
       fs.closeSync(fd);
       break;
     case 'invalid': {
@@ -46,7 +46,7 @@ function main({ n, type }) {
       }
 
       bench.end(n);
-      assert(hasError);
+      assert.ok(hasError);
       break;
     }
     default:
diff --git a/benchmark/fs/read-stream-throughput.js b/benchmark/fs/read-stream-throughput.js
index 9d4431d360e7d2..e3705b6c327f45 100644
--- a/benchmark/fs/read-stream-throughput.js
+++ b/benchmark/fs/read-stream-throughput.js
@@ -67,7 +67,7 @@ function main(conf) {
 }
 
 function runTest(filesize, highWaterMark, encoding, n) {
-  assert(fs.statSync(filename).size === filesize * n);
+  assert.strictEqual(fs.statSync(filename).size, filesize * n);
   const rs = fs.createReadStream(filename, {
     highWaterMark,
     encoding,