diff --git a/package.json b/package.json
index 5cae1323..066b084b 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
     "build": "yarn clean && lerna run build",
     "lint": "lerna run lint",
     "check-types": "lerna run check-types",
-    "test:unit": "lerna run test:unit",
     "test:browsers": "lerna run test:browsers",
     "test": "lerna run test",
     "benchmark:files": "NODE_OPTIONS=--max_old_space_size=4096 benchmark --config .benchrc.yaml",
diff --git a/packages/as-sha256/scripts/codegen.ts b/packages/as-sha256/scripts/codegen.ts
index d15b813a..57388d86 100644
--- a/packages/as-sha256/scripts/codegen.ts
+++ b/packages/as-sha256/scripts/codegen.ts
@@ -2,7 +2,7 @@
 // we preprocess the binary data into valid javascript code, a single exportable object.
 // which can be statically imported.
 
-import fs from "fs";
+import fs from "node:fs";
 
 const INPUT = "build/optimized.wasm";
 const OUTPUT = "src/wasmCode.ts";
diff --git a/packages/ssz/test/spec/downloadTests.ts b/packages/ssz/test/spec/downloadTests.ts
index 9c69fbe2..29b68c30 100644
--- a/packages/ssz/test/spec/downloadTests.ts
+++ b/packages/ssz/test/spec/downloadTests.ts
@@ -1,5 +1,5 @@
-import fs from "fs";
-import path from "path";
+import fs from "node:fs";
+import path from "node:path";
 import {execSync} from "child_process";
 import {SPEC_TEST_LOCATION, SPEC_TEST_VERSION, SPEC_TEST_REPO_URL} from "../specTestVersioning";
 
diff --git a/packages/ssz/test/spec/generic/index.test.ts b/packages/ssz/test/spec/generic/index.test.ts
index 0d03f343..39c68e2a 100644
--- a/packages/ssz/test/spec/generic/index.test.ts
+++ b/packages/ssz/test/spec/generic/index.test.ts
@@ -1,6 +1,6 @@
 import {describe, it, expect} from "vitest";
-import path from "path";
-import fs from "fs";
+import path from "node:path";
+import fs from "node:fs";
 import {SPEC_TEST_LOCATION} from "../../specTestVersioning";
 import {parseSszGenericValidTestcase, parseSszGenericInvalidTestcase} from "../testRunner";
 import {runValidSszTest} from "../runValidTest";
diff --git a/packages/ssz/test/spec/ssz_static.ts b/packages/ssz/test/spec/ssz_static.ts
index 100a1200..f20253f0 100644
--- a/packages/ssz/test/spec/ssz_static.ts
+++ b/packages/ssz/test/spec/ssz_static.ts
@@ -1,5 +1,5 @@
-import fs from "fs";
-import path from "path";
+import fs from "node:fs";
+import path from "node:path";
 import {describe, it, vi} from "vitest";
 import {isCompositeType, Type} from "../../src";
 import {ssz} from "../lodestarTypes";
diff --git a/packages/ssz/test/spec/testRunner.ts b/packages/ssz/test/spec/testRunner.ts
index 1310fe88..aa236db8 100644
--- a/packages/ssz/test/spec/testRunner.ts
+++ b/packages/ssz/test/spec/testRunner.ts
@@ -1,5 +1,5 @@
-import path from "path";
-import fs from "fs";
+import path from "node:path";
+import fs from "node:fs";
 import {uncompress} from "snappyjs";
 import jsyaml from "js-yaml";
 import {schema} from "./sszYamlSchema";
diff --git a/packages/ssz/test/specTestVersioning.ts b/packages/ssz/test/specTestVersioning.ts
index eaa96504..ff21c2cf 100644
--- a/packages/ssz/test/specTestVersioning.ts
+++ b/packages/ssz/test/specTestVersioning.ts
@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 
 // WARNING! Don't move or rename this file !!!
 //