diff --git a/backend/src/test/java/ch/puzzle/okr/service/business/KeyResultBusinessServiceTest.java b/backend/src/test/java/ch/puzzle/okr/service/business/KeyResultBusinessServiceTest.java
index b81e79f4ed..6c635de6ed 100644
--- a/backend/src/test/java/ch/puzzle/okr/service/business/KeyResultBusinessServiceTest.java
+++ b/backend/src/test/java/ch/puzzle/okr/service/business/KeyResultBusinessServiceTest.java
@@ -71,10 +71,8 @@ void setup() {
                 .withTitle("Keyresult Metric")
                 .withObjective(objective)
 
-
                 .withOwner(user)
 
-
                 .withCreatedBy(user)
                 .build();
         ordinalKeyResult = KeyResultOrdinal.Builder
diff --git a/backend/src/test/java/ch/puzzle/okr/service/validation/ActionValidationServiceTest.java b/backend/src/test/java/ch/puzzle/okr/service/validation/ActionValidationServiceTest.java
index 1082fb365a..2482ec4f2d 100644
--- a/backend/src/test/java/ch/puzzle/okr/service/validation/ActionValidationServiceTest.java
+++ b/backend/src/test/java/ch/puzzle/okr/service/validation/ActionValidationServiceTest.java
@@ -403,11 +403,7 @@ void shouldThrowExceptionOnValidateOnUpdateWhenKeyResultIsMissing() {
     @Test
     void shouldThrowExceptionOnValidateOnUpdateWhenAttrsAreMissing() {
         // arrange
-        Action actionInvalid = Action.Builder
-                .builder()
-                .withId(11L)
-                .isChecked(true)
-                .withKeyResult(keyResult).build();
+        Action actionInvalid = Action.Builder.builder().withId(11L).isChecked(true).withKeyResult(keyResult).build();
         when(actionPersistenceService.findById(anyLong())).thenReturn(actionInvalid);
 
         // act + assert
diff --git a/backend/src/test/java/ch/puzzle/okr/service/validation/UserValidationServiceTest.java b/backend/src/test/java/ch/puzzle/okr/service/validation/UserValidationServiceTest.java
index 0ba89043dd..6a69a13292 100644
--- a/backend/src/test/java/ch/puzzle/okr/service/validation/UserValidationServiceTest.java
+++ b/backend/src/test/java/ch/puzzle/okr/service/validation/UserValidationServiceTest.java
@@ -268,11 +268,7 @@ void validateOnCreateShouldThrowExceptionWhenLastnameIsInvalid(String name, List
     @ParameterizedTest(name = "should throw exception on validateCreate() when model has invalid email '{0}'")
     @MethodSource("emailValidationArguments")
     void validateOnCreateShouldThrowExceptionWhenEmailIsInvalid(String email, List<ErrorDto> errors) {
-        User user = User.Builder
-                .builder()
-                .withEmail(email)
-                .withFirstName("firstname")
-                .withLastName("lastname").build();
+        User user = User.Builder.builder().withEmail(email).withFirstName("firstname").withLastName("lastname").build();
 
         OkrResponseStatusException exception = assertThrows(OkrResponseStatusException.class,
                                                             () -> validator.validateOnCreate(user));
diff --git a/backend/src/test/java/ch/puzzle/okr/util/quarter/generate/QuarterLabelTest.java b/backend/src/test/java/ch/puzzle/okr/util/quarter/generate/QuarterLabelTest.java
index e48ac9e5de..b5b522b355 100644
--- a/backend/src/test/java/ch/puzzle/okr/util/quarter/generate/QuarterLabelTest.java
+++ b/backend/src/test/java/ch/puzzle/okr/util/quarter/generate/QuarterLabelTest.java
@@ -2,10 +2,6 @@
 
 import static org.junit.jupiter.api.Assertions.*;
 
-import java.time.LocalDate;
-import java.util.stream.Stream;
-import static org.junit.jupiter.api.Assertions.*;
-
 import java.time.LocalDate;
 import java.util.stream.Stream;
 import org.junit.jupiter.params.ParameterizedTest;
diff --git a/frontend/src/app/components/check-in-history-dialog/check-in-history-dialog.component.ts b/frontend/src/app/components/check-in-history-dialog/check-in-history-dialog.component.ts
index cd87d2b99e..9ccea9d58b 100644
--- a/frontend/src/app/components/check-in-history-dialog/check-in-history-dialog.component.ts
+++ b/frontend/src/app/components/check-in-history-dialog/check-in-history-dialog.component.ts
@@ -14,7 +14,7 @@ import { CheckInOrdinalMin } from '../../shared/types/model/CheckInOrdinalMin';
 
 @Component({
   selector: 'app-check-in-history-dialog',
-  templateUrl: './check-in-history-dialog.component.html',
+  templateUrl: './check-in-history-dialog.component.html'
 })
 export class CheckInHistoryDialogComponent implements OnInit {
   keyResult!: KeyResult;
diff --git a/frontend/src/app/components/key-result-type/key-result-type.component.ts b/frontend/src/app/components/key-result-type/key-result-type.component.ts
index 4413330d83..3c143d8a71 100644
--- a/frontend/src/app/components/key-result-type/key-result-type.component.ts
+++ b/frontend/src/app/components/key-result-type/key-result-type.component.ts
@@ -16,6 +16,7 @@ export class KeyResultTypeComponent implements OnInit {
   @Input() keyResultForm!: FormGroup;
 
   @Input() keyResult!: KeyResult | null;
+
   @Output() formValidityEmitter = new EventEmitter<boolean>();
 
   isMetric = true;
diff --git a/frontend/src/style/custom_bootstrap.scss b/frontend/src/style/custom_bootstrap.scss
index 74f27119b9..ec230cb903 100644
--- a/frontend/src/style/custom_bootstrap.scss
+++ b/frontend/src/style/custom_bootstrap.scss
@@ -1,10 +1,10 @@
 @import '_variables';
 $theme-colors: (
-  "pz-dark-blue": $pz-dark-blue,
-  "eggshell": $eggshell,
-  "display-element": $display-element,
-  "key-result-attribute": $key-result-attribute-bg,
-  "error": $error,
+  'pz-dark-blue': $pz-dark-blue,
+  'eggshell': $eggshell,
+  'display-element': $display-element,
+  'key-result-attribute': $key-result-attribute-bg,
+  'error': $error,
 );
 $enable-negative-margins: true;
 @import 'bootstrap';
diff --git a/frontend/src/style/styles.scss b/frontend/src/style/styles.scss
index 10f434bfa0..20a2d37374 100644
--- a/frontend/src/style/styles.scss
+++ b/frontend/src/style/styles.scss
@@ -261,8 +261,8 @@ mat-form-field.quarter-filter .mat-mdc-text-field-wrapper {
 }
 
 .sub-title-key-result {
-  font-family: Roboto, "sans-serif";
-  font-variation-settings: "wght" 400;
+  font-family: Roboto, 'sans-serif';
+  font-variation-settings: 'wght' 400;
   font-size: 0.9rem !important;
 }