diff --git a/README.md b/README.md
index 38eb1c57..dc020153 100644
--- a/README.md
+++ b/README.md
@@ -754,38 +754,38 @@ await clockodo.editUser({ id: 33, name: "Moalo Loco" });
 
 ## Delete methods
 
-### deactivateCustomer()
+### deleteCustomer()
 
-Deactivates (not deletes) customer.
+Deletes the customer.
 
 #### Example:
 
 ```js
-await clockodo.deactivateCustomer({ id: 343 });
+await clockodo.deleteCustomer({ id: 343 });
 ```
 
 ---
 
-### deactivateProject()
+### deleteProject()
 
-Deactivates (not deletes) project.
+Deletes the project.
 
 #### Example:
 
 ```js
-await clockodo.deactivateProject({ id: 8 });
+await clockodo.deleteProject({ id: 8 });
 ```
 
 ---
 
-### deactivateService()
+### deleteService()
 
-Deactivates (not deletes) service.
+Deletes the service.
 
 #### Example:
 
 ```js
-await clockodo.deactivateService({ id: 94 });
+await clockodo.deleteService({ id: 94 });
 ```
 
 ---
diff --git a/src/clockodo.test.ts b/src/clockodo.test.ts
index 8c955ade..f58e7a94 100644
--- a/src/clockodo.test.ts
+++ b/src/clockodo.test.ts
@@ -1054,37 +1054,37 @@ describe("Clockodo (instance)", () => {
       });
     });
 
-    describe("deactivateCustomer()", () => {
-      it("correctly builds deactivateCustomer() request", async () => {
+    describe("deleteCustomer()", () => {
+      it("correctly builds deleteCustomer() request", async () => {
         const nockScope = nock(CLOCKODO_API)
           .delete("/v2/customers/343")
           .reply(200, {});
 
-        await clockodo.deactivateCustomer({ id: 343 });
+        await clockodo.deleteCustomer({ id: 343 });
 
         nockScope.done();
       });
     });
 
-    describe("deactivateProject()", () => {
-      it("correctly builds deactivateProject() request", async () => {
+    describe("deleteProject()", () => {
+      it("correctly builds deleteProject() request", async () => {
         const nockScope = nock(CLOCKODO_API)
           .delete("/v2/projects/8")
           .reply(200, {});
 
-        await clockodo.deactivateProject({ id: 8 });
+        await clockodo.deleteProject({ id: 8 });
 
         nockScope.done();
       });
     });
 
-    describe("deactivateService()", () => {
-      it("correctly builds deactivateService() request", async () => {
+    describe("deleteService()", () => {
+      it("correctly builds deleteService() request", async () => {
         const nockScope = nock(CLOCKODO_API)
           .delete("/services/94")
           .reply(200, {});
 
-        await clockodo.deactivateService({ id: 94 });
+        await clockodo.deleteService({ id: 94 });
 
         nockScope.done();
       });
diff --git a/src/clockodo.ts b/src/clockodo.ts
index dbce4e08..b2186f85 100644
--- a/src/clockodo.ts
+++ b/src/clockodo.ts
@@ -557,30 +557,30 @@ export class Clockodo {
     return this.api.put("/v2/users/" + id, params);
   }
 
-  async deactivateCustomer(
-    params: Params<Pick<Customer, typeof REQUIRED.DEACTIVATE_CUSTOMER[number]>>
+  async deleteCustomer(
+    params: Params<Pick<Customer, typeof REQUIRED.DELETE_CUSTOMER[number]>>
   ): Promise<CustomerReturnType> {
-    REQUIRED.checkRequired(params, REQUIRED.DEACTIVATE_CUSTOMER);
+    REQUIRED.checkRequired(params, REQUIRED.DELETE_CUSTOMER);
 
     const { id } = params;
 
     return this.api.delete("/v2/customers/" + id, params);
   }
 
-  async deactivateProject(
-    params: Params<Pick<Project, typeof REQUIRED.DEACTIVATE_PROJECT[number]>>
+  async deleteProject(
+    params: Params<Pick<Project, typeof REQUIRED.DELETE_PROJECT[number]>>
   ): Promise<ProjectReturnType> {
-    REQUIRED.checkRequired(params, REQUIRED.DEACTIVATE_PROJECT);
+    REQUIRED.checkRequired(params, REQUIRED.DELETE_PROJECT);
 
     const { id } = params;
 
     return this.api.delete("/v2/projects/" + id, params);
   }
 
-  async deactivateService(
-    params: Params<Pick<Service, typeof REQUIRED.DEACTIVATE_SERVICE[number]>>
+  async deleteService(
+    params: Params<Pick<Service, typeof REQUIRED.DELETE_SERVICE[number]>>
   ): Promise<ServiceReturnType> {
-    REQUIRED.checkRequired(params, REQUIRED.DEACTIVATE_SERVICE);
+    REQUIRED.checkRequired(params, REQUIRED.DELETE_SERVICE);
 
     const { id } = params;
 
diff --git a/src/lib/requiredParams.ts b/src/lib/requiredParams.ts
index 08bb66a3..5b1352ab 100644
--- a/src/lib/requiredParams.ts
+++ b/src/lib/requiredParams.ts
@@ -30,9 +30,9 @@ export const CHANGE_CLOCK_DURATION = [
   "durationBefore",
   "duration",
 ] as const;
-export const DEACTIVATE_CUSTOMER = ["id"] as const;
-export const DEACTIVATE_PROJECT = ["id"] as const;
-export const DEACTIVATE_SERVICE = ["id"] as const;
+export const DELETE_CUSTOMER = ["id"] as const;
+export const DELETE_PROJECT = ["id"] as const;
+export const DELETE_SERVICE = ["id"] as const;
 export const DELETE_USER = ["id"] as const;
 export const DELETE_ENTRY = ["id"] as const;
 export const DELETE_ENTRY_GROUP = ["timeSince", "timeUntil"] as const;