diff --git a/src/app.module.ts b/src/app.module.ts
index 4fcc186..196ba9f 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -26,15 +26,19 @@ import { GeographyModule } from '@modules/geography/geography.module';
       useFactory: async (
         configService: ConfigService,
       ): Promise<ConfigurationModuleOptions> => ({
-        domain: configService.get<string>('SERVICE_CONFIGURATION_DOMAIN'),
+        domain: configService.get<string>(
+          'SERVICE_CONFIGURATION_DOMAIN',
+        ) as string,
         messageBroker: {
-          uri: configService.get<string>('MESSAGE_BROKER_URI'),
-          exchange: configService.get<string>('MESSAGE_BROKER_EXCHANGE'),
+          uri: configService.get<string>('MESSAGE_BROKER_URI') as string,
+          exchange: configService.get<string>(
+            'MESSAGE_BROKER_EXCHANGE',
+          ) as string,
         },
         redis: {
-          host: configService.get<string>('REDIS_HOST'),
+          host: configService.get<string>('REDIS_HOST') as string,
           password: configService.get<string>('REDIS_PASSWORD'),
-          port: configService.get<number>('REDIS_PORT'),
+          port: configService.get<number>('REDIS_PORT') as number,
         },
         setConfigurationBrokerQueue: 'matcher-configuration-create-update',
         deleteConfigurationQueue: 'matcher-configuration-delete',
diff --git a/src/main.ts b/src/main.ts
index 8db905d..2db4892 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -19,6 +19,6 @@ async function bootstrap() {
   });
 
   await app.startAllMicroservices();
-  await app.listen(process.env.HEALTH_SERVICE_PORT);
+  await app.listen(process.env.HEALTH_SERVICE_PORT as string);
 }
 bootstrap();
diff --git a/src/modules/ad/ad.mapper.ts b/src/modules/ad/ad.mapper.ts
index 81a94c1..75df1d5 100644
--- a/src/modules/ad/ad.mapper.ts
+++ b/src/modules/ad/ad.mapper.ts
@@ -6,7 +6,6 @@ import {
   ScheduleItemModel,
   AdUnsupportedWriteModel,
 } from './infrastructure/ad.repository';
-import { Frequency } from './core/domain/ad.types';
 import { v4 } from 'uuid';
 import { ScheduleItemProps } from './core/domain/value-objects/schedule-item.value-object';
 import { DirectionEncoderPort } from '@modules/geography/core/application/ports/direction-encoder.port';
@@ -85,7 +84,7 @@ export class AdMapper
       props: {
         driver: record.driver,
         passenger: record.passenger,
-        frequency: Frequency[record.frequency],
+        frequency: record.frequency,
         fromDate: record.fromDate.toISOString().split('T')[0],
         toDate: record.toDate.toISOString().split('T')[0],
         schedule: record.schedule.map((scheduleItem: ScheduleItemModel) => ({
@@ -120,11 +119,6 @@ export class AdMapper
     return entity;
   };
 
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  toResponse = (entity: AdEntity): undefined => {
-    return undefined;
-  };
-
   toUnsupportedPersistence = (entity: AdEntity): AdUnsupportedWriteModel => ({
     waypoints: this.directionEncoder.encode(entity.getProps().waypoints),
     direction: this.directionEncoder.encode(entity.getProps().points),
diff --git a/src/modules/ad/infrastructure/ad.repository.ts b/src/modules/ad/infrastructure/ad.repository.ts
index cd10089..56eb5a6 100644
--- a/src/modules/ad/infrastructure/ad.repository.ts
+++ b/src/modules/ad/infrastructure/ad.repository.ts
@@ -7,12 +7,13 @@ import { AD_MESSAGE_PUBLISHER } from '../ad.di-tokens';
 import { AdEntity } from '../core/domain/ad.entity';
 import { AdMapper } from '../ad.mapper';
 import { ExtendedPrismaRepositoryBase } from '@mobicoop/ddd-library/dist/db/prisma-repository.base';
+import { Frequency } from '../core/domain/ad.types';
 
 export type AdBaseModel = {
   uuid: string;
   driver: boolean;
   passenger: boolean;
-  frequency: string;
+  frequency: Frequency;
   fromDate: Date;
   toDate: Date;
   seatsProposed: number;
diff --git a/src/modules/ad/tests/unit/ad.mapper.spec.ts b/src/modules/ad/tests/unit/ad.mapper.spec.ts
index ae0bb6d..925961a 100644
--- a/src/modules/ad/tests/unit/ad.mapper.spec.ts
+++ b/src/modules/ad/tests/unit/ad.mapper.spec.ts
@@ -165,8 +165,4 @@ describe('Ad Mapper', () => {
     expect(mapped.getProps().schedule[0].time).toBe('07:05');
     expect(mapped.getProps().waypoints.length).toBe(2);
   });
-
-  it('should map domain entity to response', async () => {
-    expect(adMapper.toResponse(adEntity)).toBeUndefined();
-  });
 });
diff --git a/src/modules/messager/messager.module.ts b/src/modules/messager/messager.module.ts
index 64bafed..9bb5108 100644
--- a/src/modules/messager/messager.module.ts
+++ b/src/modules/messager/messager.module.ts
@@ -14,8 +14,8 @@ const imports = [
     useFactory: async (
       configService: ConfigService,
     ): Promise<MessageBrokerModuleOptions> => ({
-      uri: configService.get<string>('MESSAGE_BROKER_URI'),
-      exchange: configService.get<string>('MESSAGE_BROKER_EXCHANGE'),
+      uri: configService.get<string>('MESSAGE_BROKER_URI') as string,
+      exchange: configService.get<string>('MESSAGE_BROKER_EXCHANGE') as string,
       name: 'matcher',
       handlers: {
         adCreated: {
diff --git a/tsconfig.json b/tsconfig.json
index e077152..3f2a1e4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,7 +13,7 @@
     "incremental": true,
     "skipLibCheck": true,
     "strictNullChecks": true,
-    "noImplicitAny": false,
+    "noImplicitAny": true,
     "strictBindCallApply": false,
     "forceConsistentCasingInFileNames": false,
     "noFallthroughCasesInSwitch": false,