diff --git a/test/unit/annotation_storage_spec.js b/test/unit/annotation_storage_spec.js
index 8ba4ee15e..ee50d45bb 100644
--- a/test/unit/annotation_storage_spec.js
+++ b/test/unit/annotation_storage_spec.js
@@ -17,7 +17,7 @@ import { AnnotationStorage } from "../../src/display/annotation_storage.js";
 
 describe("AnnotationStorage", function () {
   describe("GetOrDefaultValue", function () {
-    it("should get and set a new value in the annotation storage", function (done) {
+    it("should get and set a new value in the annotation storage", function () {
       const annotationStorage = new AnnotationStorage();
       let value = annotationStorage.getValue("123A", {
         value: "hello world",
@@ -34,20 +34,18 @@ describe("AnnotationStorage", function () {
         value: "an other string",
       }).value;
       expect(value).toEqual("hello world");
-      done();
     });
   });
 
   describe("SetValue", function () {
-    it("should set a new value in the annotation storage", function (done) {
+    it("should set a new value in the annotation storage", function () {
       const annotationStorage = new AnnotationStorage();
       annotationStorage.setValue("123A", { value: "an other string" });
       const value = annotationStorage.getAll()["123A"].value;
       expect(value).toEqual("an other string");
-      done();
     });
 
-    it("should call onSetModified() if value is changed", function (done) {
+    it("should call onSetModified() if value is changed", function () {
       const annotationStorage = new AnnotationStorage();
       let called = false;
       const callback = function () {
@@ -66,12 +64,11 @@ describe("AnnotationStorage", function () {
       called = false;
       annotationStorage.setValue("asdf", { value: "modified" });
       expect(called).toBe(false);
-      done();
     });
   });
 
   describe("ResetModified", function () {
-    it("should call onResetModified() if set", function (done) {
+    it("should call onResetModified() if set", function () {
       const annotationStorage = new AnnotationStorage();
       let called = false;
       const callback = function () {
@@ -92,7 +89,6 @@ describe("AnnotationStorage", function () {
       annotationStorage.setValue("asdf", { value: "modified" });
       annotationStorage.resetModified();
       expect(called).toBe(true);
-      done();
     });
   });
 });