diff --git a/packages/nitro/src/presets/azure.ts b/packages/nitro/src/presets/azure.ts
index 7692f1032d..150b7e938e 100644
--- a/packages/nitro/src/presets/azure.ts
+++ b/packages/nitro/src/presets/azure.ts
@@ -7,6 +7,7 @@ import { NitroPreset, NitroContext } from '../context'
 
 export const azure: NitroPreset = {
   entry: '{{ _internal.runtimeDir }}/entries/azure',
+  externals: true,
   output: {
     serverDir: '{{ output.dir }}/server/functions'
   },
diff --git a/packages/nitro/src/presets/azure_functions.ts b/packages/nitro/src/presets/azure_functions.ts
index a1c8df208e..104b903c48 100644
--- a/packages/nitro/src/presets/azure_functions.ts
+++ b/packages/nitro/src/presets/azure_functions.ts
@@ -9,6 +9,7 @@ import { NitroPreset, NitroContext } from '../context'
 export const azure_functions: NitroPreset = {
   serveStatic: true,
   entry: '{{ _internal.runtimeDir }}/entries/azure_functions',
+  externals: true,
   hooks: {
     async 'nitro:compiled' (ctx: NitroContext) {
       await writeRoutes(ctx)
diff --git a/packages/nitro/src/presets/firebase.ts b/packages/nitro/src/presets/firebase.ts
index a7bfbdaadd..9cabb49a94 100644
--- a/packages/nitro/src/presets/firebase.ts
+++ b/packages/nitro/src/presets/firebase.ts
@@ -9,6 +9,7 @@ import { NitroPreset, NitroContext } from '../context'
 
 export const firebase: NitroPreset = {
   entry: '{{ _internal.runtimeDir }}/entries/firebase',
+  externals: true,
   hooks: {
     async 'nitro:compiled' (ctx: NitroContext) {
       await writeRoutes(ctx)