diff --git a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
index 228449a8a5..3aa488b495 100644
--- a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
+++ b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
@@ -16,23 +16,23 @@
          [submitLabel]="submitLabel"
          (submitForm)="onSubmit()">
   <div before class="btn-group">
-    <button (click)="onCancel()"
+    <button (click)="onCancel()" type="button"
             class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
   </div>
   <div *ngIf="displayResetPassword" between class="btn-group">
-    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" (click)="resetPassword()">
+    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" type="button" (click)="resetPassword()">
       <i class="fa fa-key"></i> {{'admin.access-control.epeople.actions.reset' | translate}}
     </button>
   </div>
   <div between class="btn-group ml-1">
-    <button *ngIf="!isImpersonated" class="btn btn-primary" [ngClass]="{'d-none' : !(canImpersonate$ | async)}" (click)="impersonate()">
+    <button *ngIf="!isImpersonated" class="btn btn-primary" type="button" [ngClass]="{'d-none' : !(canImpersonate$ | async)}" (click)="impersonate()">
       <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.impersonate' | translate}}
     </button>
-    <button *ngIf="isImpersonated" class="btn btn-primary" (click)="stopImpersonating()">
+    <button *ngIf="isImpersonated" class="btn btn-primary" type="button" (click)="stopImpersonating()">
       <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.stop-impersonating' | translate}}
     </button>
   </div>
-  <button after class="btn btn-danger delete-button" [disabled]="!(canDelete$ | async)" (click)="delete()">
+  <button after class="btn btn-danger delete-button" type="button" [disabled]="!(canDelete$ | async)" (click)="delete()">
     <i class="fas fa-trash"></i> {{'admin.access-control.epeople.actions.delete' | translate}}
   </button>
 </ds-form>
diff --git a/src/app/access-control/group-registry/group-form/group-form.component.html b/src/app/access-control/group-registry/group-form/group-form.component.html
index 77a81a8daa..64a16c3aed 100644
--- a/src/app/access-control/group-registry/group-form/group-form.component.html
+++ b/src/app/access-control/group-registry/group-form/group-form.component.html
@@ -36,12 +36,12 @@
                [displayCancel]="false"
                (submitForm)="onSubmit()">
         <div before class="btn-group">
-          <button (click)="onCancel()"
+          <button (click)="onCancel()" type="button"
                   class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
         </div>
         <div after *ngIf="groupBeingEdited != null" class="btn-group">
           <button class="btn btn-danger delete-button" [disabled]="!(canEdit$ | async) || groupBeingEdited.permanent"
-                  (click)="delete()">
+                  (click)="delete()" type="button">
             <i class="fa fa-trash"></i> {{ messagePrefix + '.actions.delete' | translate}}
           </button>
         </div>
diff --git a/src/app/collection-page/collection-form/collection-form.component.ts b/src/app/collection-page/collection-form/collection-form.component.ts
index ebb03df3b9..aae200b401 100644
--- a/src/app/collection-page/collection-form/collection-form.component.ts
+++ b/src/app/collection-page/collection-form/collection-form.component.ts
@@ -98,9 +98,8 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
     // retrieve all entity types to populate the dropdowns selection
     entities$.subscribe((entityTypes: ItemType[]) => {
 
-        entityTypes
-          .filter((type: ItemType) => type.label !== NONE_ENTITY_TYPE)
-          .forEach((type: ItemType, index: number) => {
+      entityTypes = entityTypes.filter((type: ItemType) => type.label !== NONE_ENTITY_TYPE);
+          entityTypes.forEach((type: ItemType, index: number) => {
           this.entityTypeSelection.add({
             disabled: false,
             label: type.label,
@@ -112,7 +111,7 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
           }
         });
 
-        this.formModel = [...collectionFormModels, this.entityTypeSelection];
+      this.formModel = entityTypes.length === 0 ? collectionFormModels : [...collectionFormModels, this.entityTypeSelection];
 
         super.ngOnInit();
         this.chd.detectChanges();
diff --git a/src/app/shared/comcol/comcol-forms/comcol-form/comcol-form.component.html b/src/app/shared/comcol/comcol-forms/comcol-form/comcol-form.component.html
index 5d7b092f74..b7b3d344b1 100644
--- a/src/app/shared/comcol/comcol-forms/comcol-form/comcol-form.component.html
+++ b/src/app/shared/comcol/comcol-forms/comcol-form/comcol-form.component.html
@@ -42,7 +42,7 @@
          [formModel]="formModel"
          [displayCancel]="false"
          (submitForm)="onSubmit()">
-  <button before (click)="back.emit()" class="btn btn-outline-secondary">
+  <button before (click)="back.emit()" class="btn btn-outline-secondary" type="button">
     <i class="fas fa-arrow-left"></i> {{ type.value + '.edit.return' | translate }}
   </button>
 </ds-form>