diff --git a/modules/openapi-generator/src/main/resources/typescript-angular/api.module.mustache b/modules/openapi-generator/src/main/resources/typescript-angular/api.module.mustache
index e10080d0205..bbd7ae48c31 100644
--- a/modules/openapi-generator/src/main/resources/typescript-angular/api.module.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-angular/api.module.mustache
@@ -13,9 +13,9 @@ import { {{classname}} } from './{{importPath}}';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
+  providers: [{{^providedInRoot}}
     {{#apiInfo}}{{#apis}}{{classname}}{{#hasMore}},
-    {{/hasMore}}{{/apis}}{{/apiInfo}} ]
+    {{/hasMore}}{{/apis}}{{/apiInfo}} {{/providedInRoot}}]
 })
 export class {{apiModuleClassName}} {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/api.module.ts b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/api.module.ts
index 8487243a83b..5e6ebe12ae0 100644
--- a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class ApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/api.module.ts b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/api.module.ts
index 8487243a83b..5e6ebe12ae0 100644
--- a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class ApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/api.module.ts b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/api.module.ts
index 8487243a83b..5e6ebe12ae0 100644
--- a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class ApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/api.module.ts b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/api.module.ts
index 8487243a83b..5e6ebe12ae0 100644
--- a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class ApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/single-request-parameter/api.module.ts b/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/single-request-parameter/api.module.ts
index 8487243a83b..5e6ebe12ae0 100644
--- a/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/single-request-parameter/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/single-request-parameter/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class ApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-npm/api.module.ts b/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-npm/api.module.ts
index 8487243a83b..5e6ebe12ae0 100644
--- a/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-npm/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-npm/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class ApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
diff --git a/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-prefixed-module-name/api.module.ts b/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-prefixed-module-name/api.module.ts
index 62e18a783d3..57092b10bb0 100644
--- a/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-prefixed-module-name/api.module.ts
+++ b/samples/client/petstore/typescript-angular-v8-provided-in-root/builds/with-prefixed-module-name/api.module.ts
@@ -11,10 +11,7 @@ import { UserService } from './api/user.service';
   imports:      [],
   declarations: [],
   exports:      [],
-  providers: [
-    PetService,
-    StoreService,
-    UserService ]
+  providers: []
 })
 export class PetStoreApiModule {
     public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {