diff --git a/src/build/config.ts b/src/build/config.ts
index c78768af68..0be090f58f 100644
--- a/src/build/config.ts
+++ b/src/build/config.ts
@@ -46,12 +46,6 @@ export function baseBuildConfig(nitro: Nitro) {
     _tasks: nitro.options.experimental.tasks,
   };
 
-  // https://github.com/rollup/plugins/tree/master/packages/replace#delimiters
-  const replaceDelimiters: [string, string] = [
-    String.raw`\b`,
-    String.raw`(?![\w.$])`,
-  ];
-
   const replacements = {
     "typeof window": '"undefined"',
     _import_meta_url_: "import.meta.url",
@@ -109,7 +103,6 @@ export function baseBuildConfig(nitro: Nitro) {
     isNodeless,
     buildEnvVars,
     staticFlags,
-    replaceDelimiters,
     replacements,
     env,
     aliases,
diff --git a/src/build/rolldown/config.ts b/src/build/rolldown/config.ts
index d78db61f70..b42e2ea0f4 100644
--- a/src/build/rolldown/config.ts
+++ b/src/build/rolldown/config.ts
@@ -35,7 +35,6 @@ export const getRolldownConfig = (nitro: Nitro): RolldownOptions => {
       ...(baseBuildPlugins(nitro, base) as RolldownPlugin[]),
       // https://github.com/rolldown/rolldown/issues/4257
       replace({
-        delimiters: base.replaceDelimiters,
         preventAssignment: true,
         values: base.replacements,
       }) as RolldownPlugin,
diff --git a/src/build/rollup/config.ts b/src/build/rollup/config.ts
index 7857010b94..b041e67112 100644
--- a/src/build/rollup/config.ts
+++ b/src/build/rollup/config.ts
@@ -48,7 +48,6 @@ export const getRollupConfig = (nitro: Nitro): RollupConfig => {
       }),
       alias({ entries: base.aliases }),
       replace({
-        delimiters: base.replaceDelimiters,
         preventAssignment: true,
         values: base.replacements,
       }),
diff --git a/src/build/vite/rollup.ts b/src/build/vite/rollup.ts
index eb8aa4f4cf..eccef6f8df 100644
--- a/src/build/vite/rollup.ts
+++ b/src/build/vite/rollup.ts
@@ -55,7 +55,6 @@ export const getViteRollupConfig = (
       ...baseBuildPlugins(nitro, base),
       alias({ entries: base.aliases }),
       replace({
-        delimiters: base.replaceDelimiters,
         preventAssignment: true,
         values: base.replacements,
       }),