diff --git a/package-lock.json b/package-lock.json
index 1b15dea6..96fe3ff3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,6 @@
       "license": "Apache-2.0",
       "dependencies": {
         "node-gyp-build": "<4.0",
-        "p-limit": "^3.1.0",
         "pprof-format": "^2.2.1",
         "source-map": "^0.7.4"
       },
@@ -5025,10 +5024,27 @@
         "node": ">=8"
       }
     },
-    "node_modules/p-limit": {
+    "node_modules/p-locate": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
+      "integrity": "sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "p-limit": "^3.0.2"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-locate/node_modules/p-limit": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
       "integrity": "sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "yocto-queue": "^0.1.0"
@@ -5040,15 +5056,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/p-locate": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
-      "integrity": "sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==",
+    "node_modules/p-locate/node_modules/yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
       "dev": true,
       "license": "MIT",
-      "dependencies": {
-        "p-limit": "^3.0.2"
-      },
       "engines": {
         "node": ">=10"
       },
@@ -7256,18 +7269,6 @@
       "engines": {
         "node": ">=12"
       }
-    },
-    "node_modules/yocto-queue": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
-      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
     }
   }
 }
diff --git a/package.json b/package.json
index 129f3d47..a61e874a 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
   "license": "Apache-2.0",
   "dependencies": {
     "node-gyp-build": "<4.0",
-    "p-limit": "^3.1.0",
     "pprof-format": "^2.2.1",
     "source-map": "^0.7.4"
   },
diff --git a/ts/src/sourcemapper/sourcemapper.ts b/ts/src/sourcemapper/sourcemapper.ts
index aa906eab..4e94446d 100644
--- a/ts/src/sourcemapper/sourcemapper.ts
+++ b/ts/src/sourcemapper/sourcemapper.ts
@@ -23,11 +23,30 @@ import * as fs from 'fs';
 import * as path from 'path';
 import * as sourceMap from 'source-map';
 import {logger} from '../logger';
-import pLimit from 'p-limit';
 
 const readFile = fs.promises.readFile;
 
 const CONCURRENCY = 10;
+
+function createLimiter(concurrency: number) {
+  let active = 0;
+  const queue: Array<() => void> = [];
+  return function limit<T>(fn: () => Promise<T>): Promise<T> {
+    return new Promise<T>((resolve, reject) => {
+      const run = () => {
+        active++;
+        fn()
+          .then(resolve, reject)
+          .finally(() => {
+            active--;
+            if (queue.length > 0) queue.shift()!();
+          });
+      };
+      if (active < concurrency) run();
+      else queue.push(run);
+    });
+  };
+}
 const MAP_EXT = '.map';
 
 function error(msg: string) {
@@ -306,7 +325,7 @@ async function createFromMapFiles(
   mapFiles: string[],
   debug: boolean,
 ): Promise<SourceMapper> {
-  const limit = pLimit(CONCURRENCY);
+  const limit = createLimiter(CONCURRENCY);
   const mapper = new SourceMapper(debug);
   const promises: Array<Promise<void>> = mapFiles.map(mapPath =>
     limit(() => processSourceMap(mapper.infoMap, mapPath, debug)),