diff --git a/scripts/release b/scripts/release
index a71bbd67b2..49efb97e23 100755
--- a/scripts/release
+++ b/scripts/release
@@ -91,48 +91,6 @@ const runCmd = (command, options = {}) => {
   execSync(command, { stdio: 'inherit', cwd: CWD, ...options });
 };
 
-/**
- * Blocks the current thread for the given number of milliseconds without busy-waiting.
- *
- * @param {number} ms - Milliseconds to sleep.
- */
-const sleep = (ms) => {
-  Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, ms);
-};
-
-/**
- * Runs a command, retrying on failure with a linear backoff.
- *
- * pslb fetches every shared-module manifest from unpkg at build time. node-fetch@2
- * does not retry on thrown network errors (only on 404/429 statuses), so a single
- * transient "Premature close" / connection reset from unpkg drops a manifest, which
- * silently disables externalization and surfaces as an unrelated mathquill.css
- * sucrase syntax error. Each retry is a fresh process (fresh connections) and the
- * delay rides out short unpkg blips.
- *
- * @param {string} command - The shell command to execute.
- * @param {Object} [opts] - Retry configuration.
- * @param {number} [opts.attempts=4] - Total number of attempts before giving up.
- * @param {number} [opts.delayMs=15000] - Base delay between attempts (multiplied by attempt number).
- * @param {Object} [opts.options={}] - Options forwarded to runCmd/execSync.
- */
-const runCmdWithRetry = (command, { attempts = 4, delayMs = 15000, options = {} } = {}) => {
-  for (let attempt = 1; attempt <= attempts; attempt += 1) {
-    try {
-      runCmd(command, options);
-      return;
-    } catch (err) {
-      if (attempt === attempts) {
-        throw err;
-      }
-      const wait = delayMs * attempt;
-      warn(`Command failed (attempt ${attempt}/${attempts}): ${err.message}`);
-      warn(`Retrying in ${wait / 1000}s (transient unpkg/network failures during pslb manifest fetch)...`);
-      sleep(wait);
-    }
-  }
-};
-
 /**
  * Retrieves the name of the current Git branch.
  *
@@ -190,10 +148,7 @@ const buildPrintModules = () => {
 
   log('print packages for pslb:', printPkgNames.join(', '));
   const pkgFlags = printPkgNames.map((n) => `--package ${n}`).join(' ');
-  runCmdWithRetry(`yarn pslb --config pslb/pslb.config.js ${pkgFlags} --logLevel silly`, {
-    attempts: 4,
-    delayMs: 15000,
-  });
+  runCmd(`yarn pslb --config pslb/pslb.config.js ${pkgFlags} --logLevel silly`);
 };
 
 /**