diff --git a/projects/common/shared.module.ts b/projects/common/shared.module.ts
index 469eab9a04af033fe9c087bf884bddb687fad4fd..6ff88e55bcf5482a3c0bf614392019d1da69861b 100644
--- a/projects/common/shared.module.ts
+++ b/projects/common/shared.module.ts
@@ -18,6 +18,8 @@ import { MatTooltipModule } from '@angular/material/tooltip';
 import { TranslateModule } from '@ngx-translate/core';
 import { MatDialogModule } from '@angular/material/dialog';
 import { MatSliderModule } from '@angular/material/slider';
+import { DomSanitizer } from '@angular/platform-browser';
+import { HttpClientModule } from '@angular/common/http';
 import { TextComponent } from './ui-elements/text/text.component';
 import { ButtonComponent } from './ui-elements/button/button.component';
 import { TextFieldComponent } from './ui-elements/text-field/text-field.component';
@@ -41,8 +43,6 @@ import { RadioGroupImagesComponent } from './ui-elements/radio-with-images/radio
 import { DropListComponent } from './ui-elements/drop-list/drop-list.component';
 import { ClozeComponent } from './ui-elements/cloze/cloze.component';
 import { TextFieldSimpleComponent } from './ui-elements/textfield-simple/text-field-simple.component';
-import { DomSanitizer } from '@angular/platform-browser';
-import { HttpClientModule } from '@angular/common/http';
 
 @NgModule({
   imports: [
@@ -93,6 +93,7 @@ import { HttpClientModule } from '@angular/common/http';
     FlexLayoutModule,
     MatIconModule,
     MatTabsModule,
+    MatButtonModule,
     FormsModule,
     ReactiveFormsModule,
     DragDropModule,
diff --git a/projects/editor/src/app/app.module.ts b/projects/editor/src/app/app.module.ts
index f775e3dfe20b184e87d060e5b9e144a2dc8c8c53..54a4d1d157b3bbcc58fd8ca6bc84401c0597a486 100644
--- a/projects/editor/src/app/app.module.ts
+++ b/projects/editor/src/app/app.module.ts
@@ -11,7 +11,6 @@ import { MatButtonToggleModule } from '@angular/material/button-toggle';
 import { MatMenuModule } from '@angular/material/menu';
 import { MatSliderModule } from '@angular/material/slider';
 import { MatSelectModule } from '@angular/material/select';
-import { MatButtonModule } from '@angular/material/button';
 import { MatExpansionModule } from '@angular/material/expansion';
 import { MatCheckboxModule } from '@angular/material/checkbox';
 import { MatToolbarModule } from '@angular/material/toolbar';
@@ -76,7 +75,6 @@ import { ElementModelPropertiesComponentComponent } from './components/unit-view
     BrowserAnimationsModule,
     CommonModule,
     SharedModule,
-    MatButtonModule,
     MatInputModule,
     MatButtonToggleModule,
     MatCheckboxModule,