diff --git a/package-lock.json b/package-lock.json
index 8dd3c1f0a8..5f8af4830b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18445,10 +18445,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/omit.js": {
-      "version": "2.0.2",
-      "license": "MIT"
-    },
     "node_modules/once": {
       "version": "1.4.0",
       "license": "ISC",
@@ -24053,7 +24049,6 @@
         "indent-string": "^5.0.0",
         "is-plain-obj": "^4.0.0",
         "map-obj": "^5.0.0",
-        "omit.js": "^2.0.2",
         "p-locate": "^6.0.0",
         "path-type": "^6.0.0",
         "read-package-up": "^11.0.0",
diff --git a/packages/config/package.json b/packages/config/package.json
index 7015d31310..4c7c58188f 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -74,7 +74,6 @@
     "indent-string": "^5.0.0",
     "is-plain-obj": "^4.0.0",
     "map-obj": "^5.0.0",
-    "omit.js": "^2.0.2",
     "p-locate": "^6.0.0",
     "path-type": "^6.0.0",
     "read-package-up": "^11.0.0",
diff --git a/packages/config/src/bin/main.js b/packages/config/src/bin/main.js
index 6915cb8295..81e4198c4f 100755
--- a/packages/config/src/bin/main.js
+++ b/packages/config/src/bin/main.js
@@ -5,7 +5,6 @@ import { dirname } from 'path'
 import process from 'process'
 
 import fastSafeStringify from 'fast-safe-stringify'
-import omit from 'omit.js'
 
 import { isUserError } from '../error.js'
 import { resolveConfig } from '../main.js'
@@ -28,7 +27,7 @@ const DEFAULT_OUTPUT = '-'
 // The result is output as JSON on success (exit code 0)
 const handleCliSuccess = async function (result, stable, output) {
   const resultA = serializeApi(result)
-  const resultB = omit.default(resultA, SECRET_PROPERTIES)
+  const resultB = Object.fromEntries(Object.entries(resultA).filter(([key]) => !SECRET_PROPERTIES.includes(key)))
   const stringifyFunc = stable ? fastSafeStringify.stableStringify : JSON.stringify
   const resultJson = stringifyFunc(resultB, null, 2)
   await outputResult(resultJson, output)
diff --git a/packages/config/src/env/main.ts b/packages/config/src/env/main.ts
index 4a8cab1608..8814843f0f 100644
--- a/packages/config/src/env/main.ts
+++ b/packages/config/src/env/main.ts
@@ -1,5 +1,4 @@
 import type { NetlifyAPI } from '@netlify/api'
-import omit from 'omit.js'
 
 import { removeFalsy } from '../utils/remove_falsy.js'
 
@@ -214,7 +213,7 @@ const getConfigFileEnv = function ({
 
 // Some environment variables cannot be overridden by configuration
 const cleanUserEnv = function (userEnv) {
-  return omit.default(userEnv, READONLY_ENV)
+  return Object.fromEntries(Object.entries(userEnv ?? {}).filter(([key]) => !READONLY_ENV.includes(key)))
 }
 
 const READONLY_ENV = [