diff --git a/lib/components/ApiInfo/api-info.spec.ts b/lib/components/ApiInfo/api-info.spec.ts
index c2c80bdc..20db1bbc 100644
--- a/lib/components/ApiInfo/api-info.spec.ts
+++ b/lib/components/ApiInfo/api-info.spec.ts
@@ -10,7 +10,6 @@ import {
   TestBed
 } from '@angular/core/testing';
 
-import { ApiInfo } from './api-info';
 import { SpecManager } from '../../utils/spec-manager';
 
 describe('Redoc components', () => {
diff --git a/lib/components/ApiLogo/api-logo.spec.ts b/lib/components/ApiLogo/api-logo.spec.ts
index f9ba3cd2..b78d78b9 100644
--- a/lib/components/ApiLogo/api-logo.spec.ts
+++ b/lib/components/ApiLogo/api-logo.spec.ts
@@ -9,7 +9,6 @@ import {
   TestBed
 } from '@angular/core/testing';
 
-import { ApiLogo } from './api-logo';
 import { SpecManager } from '../../utils/spec-manager';
 
 
diff --git a/lib/components/JsonSchema/json-schema-lazy.spec.ts b/lib/components/JsonSchema/json-schema-lazy.spec.ts
index 2ea539d9..9e6df677 100644
--- a/lib/components/JsonSchema/json-schema-lazy.spec.ts
+++ b/lib/components/JsonSchema/json-schema-lazy.spec.ts
@@ -20,9 +20,6 @@ describe('Redoc components', () => {
     let component;
     let fixture;
 
-    beforeEach(inject([TestBed], (tcb) => {
-
-    }));
     beforeEach(() => {
       fixture = TestBed.createComponent(TestAppComponent);
       let debugEl = getChildDebugElement(fixture.debugElement, 'json-schema-lazy');
diff --git a/lib/components/JsonSchema/json-schema.spec.ts b/lib/components/JsonSchema/json-schema.spec.ts
index 5c985048..c0e6248d 100644
--- a/lib/components/JsonSchema/json-schema.spec.ts
+++ b/lib/components/JsonSchema/json-schema.spec.ts
@@ -8,8 +8,6 @@ import {
 
 import { getChildDebugElement } from '../../../tests/helpers';
 
-
-import { JsonSchema } from './json-schema';
 import { SpecManager } from '../../utils/spec-manager';;
 
 describe('Redoc components', () => {
diff --git a/lib/shared/components/StickySidebar/sticky-sidebar.spec.ts b/lib/shared/components/StickySidebar/sticky-sidebar.spec.ts
index 4880dcdf..af27fe99 100644
--- a/lib/shared/components/StickySidebar/sticky-sidebar.spec.ts
+++ b/lib/shared/components/StickySidebar/sticky-sidebar.spec.ts
@@ -18,12 +18,12 @@ describe('Common components', () => {
     let component;
     let fixture;
 
-    beforeEach(inject([TestBed], (tcb) => {
+    beforeEach(() => {
 
       fixture = TestBed.createComponent(TestApp);
       let debugEl = getChildDebugElementByType(fixture.debugElement, StickySidebar);
       component = debugEl.injector.get(StickySidebar);
-    }));
+    });
 
 
     it('should init component', () => {
diff --git a/lib/shared/components/Tabs/tabs.spec.ts b/lib/shared/components/Tabs/tabs.spec.ts
index c4abefa4..44a13219 100644
--- a/lib/shared/components/Tabs/tabs.spec.ts
+++ b/lib/shared/components/Tabs/tabs.spec.ts
@@ -22,14 +22,14 @@ describe('Common components', () => {
     let fixture;
     let hostComponent;
 
-    beforeEach(inject([TestBed], (tcb) => {
+    beforeEach(() => {
 
       fixture = TestBed.createComponent(TestApp);
       hostComponent = fixture.debugElement.componentInstance;
       debugEl = getChildDebugElement(fixture.debugElement, 'tabs');
       childDebugEls = getChildDebugElementAll(debugEl, 'tab');
       component = debugEl.componentInstance;
-    }));
+    });
 
     it('should init component', () => {
       expect(component).not.toBeNull();
diff --git a/lib/shared/components/Zippy/zippy.spec.ts b/lib/shared/components/Zippy/zippy.spec.ts
index 4cdebffe..2dd7e178 100644
--- a/lib/shared/components/Zippy/zippy.spec.ts
+++ b/lib/shared/components/Zippy/zippy.spec.ts
@@ -20,12 +20,12 @@ describe('Common components', () => {
     let nativeElement;
     let fixture;
 
-    beforeEach(inject([TestBed], (tcb) => {
+    beforeEach(() => {
       fixture = TestBed.createComponent(TestApp);
       let debugEl = getChildDebugElement(fixture.debugElement, 'zippy');
       component = debugEl.componentInstance;
       nativeElement = debugEl.nativeElement;
-    }));
+    });
 
     it('should init component', () => {
       expect(component).not.toBeNull();