diff --git a/frontend/src/js/component/wb-collection-listing.js b/frontend/src/js/component/wb-collection-listing.js
index 9e84eaf..576186a 100644
--- a/frontend/src/js/component/wb-collection-listing.js
+++ b/frontend/src/js/component/wb-collection-listing.js
@@ -21,7 +21,7 @@ class WBCollectionListing extends Component {
   }
 
   prepareRows(items, ownerLookup) {
-    let { app, renderRenameLink } = this.props;
+    let { app, renderRenameLink, renderDeleteButton } = this.props;
 
     return items.map(item => [
       (<div>
@@ -56,9 +56,7 @@ class WBCollectionListing extends Component {
           <i class="fas fa-list-ul"></i>
         </a>
 
-        <button class="btn btn-outline-danger m-1" title="Delete">
-          <i class="fas fa-trash"></i>
-        </button>
+        { renderDeleteButton(item, () => this.fetchItems()) }
       </div>)
     ]);
   }
diff --git a/frontend/src/js/component/wb-process-listing.js b/frontend/src/js/component/wb-process-listing.js
index 2c2bb27..34483ec 100644
--- a/frontend/src/js/component/wb-process-listing.js
+++ b/frontend/src/js/component/wb-process-listing.js
@@ -22,7 +22,7 @@ class WBProcessListing extends Component {
   }
 
   prepareRows(items) {
-    const { renderRenameLink } = this.props;
+    const { renderRenameLink, renderDeleteButton } = this.props;
     return items.map(item => [
       (<div>
         <div>
@@ -38,7 +38,7 @@ class WBProcessListing extends Component {
       item['created_at'].replace('T', ' ').substr(0, item['created_at'].length - 11) + '',
       item['output_uuid'],
       (<div>
-        <button class="btn btn-outline-danger"><i class="fas fa-trash"></i></button>
+        { renderDeleteButton(item, () => this.fetchItems()) }
       </div>)
     ]);
   }
diff --git a/frontend/src/js/component/wb-project-listing.js b/frontend/src/js/component/wb-project-listing.js
index 8a40e53..26f4f4a 100644
--- a/frontend/src/js/component/wb-project-listing.js
+++ b/frontend/src/js/component/wb-project-listing.js
@@ -17,7 +17,7 @@ class WBProjectListing extends Component {
   }
 
   prepareRows(items) {
-    let { app, renderRenameLink } = this.props;
+    let { app, renderRenameLink, renderDeleteButton } = this.props;
 
     return items.map(item => [
       (<div>
@@ -36,6 +36,7 @@ class WBProjectListing extends Component {
           onclick={ () => (app.addToToolbox(item.uuid)) }>
           <i class="fas fa-toolbox"></i>
         </button>
+        { renderDeleteButton(item, () => this.fetchItems()) }
       </div>)
     ]);
   }
diff --git a/frontend/src/js/component/wb-workflow-listing.js b/frontend/src/js/component/wb-workflow-listing.js
index 95cd285..7933b5f 100644
--- a/frontend/src/js/component/wb-workflow-listing.js
+++ b/frontend/src/js/component/wb-workflow-listing.js
@@ -21,7 +21,7 @@ class WBWorkflowListing extends Component {
   }
 
   prepareRows(items, ownerLookup) {
-    const { renderRenameLink } = this.props;
+    const { renderRenameLink, renderDeleteButton } = this.props;
     return items.map(item => [
       (
         <div>
@@ -40,7 +40,7 @@ class WBWorkflowListing extends Component {
         <a class="btn btn-outline-success mx-1 my-1" title="Launch"
           href={ urlForObject(item, 'launch') }><i class="fas fa-running"></i></a>
         <button class="btn btn-outline-primary mx-1 my-1" title="View"><i class="far fa-eye"></i></button>
-        <button class="btn btn-outline-danger mx-1 my-1" title="Delete"><i class="fas fa-trash"></i></button>
+        { renderDeleteButton(item, () => this.fetchItems()) }
       </div>)
     ]);
   }
diff --git a/frontend/src/js/dialog/wb-delete-dialog.js b/frontend/src/js/dialog/wb-delete-dialog.js
new file mode 100644
index 0000000..d906cbc
--- /dev/null
+++ b/frontend/src/js/dialog/wb-delete-dialog.js
@@ -0,0 +1,53 @@
+import { h, Component, createRef } from 'preact';
+import WBDialog from 'wb-dialog';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import linkState from 'linkstate';
+import wbDeleteObject from 'wb-delete-object';
+import arvadosTypeName from 'arvados-type-name';
+
+class WBDeleteDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+  }
+
+  show(item, callback) {
+    this.setState({
+      'item': item,
+      'callback': callback || (() => {})
+    });
+    this.dialogRef.current.show();
+  }
+
+  hide() {
+    this.dialogRef.current.hide();
+  }
+
+  render({ app }, { item, callback }) {
+    const { arvHost, arvToken } = app.state;
+
+    return (
+      <WBDialog title="Delete" ref={ this.dialogRef }>
+        <div>
+          <div class="mb-3">
+            Are you sure you want to delete the following { item ? arvadosTypeName(item.uuid) : null }:
+          </div>
+          { item ? <WBArvadosCrumbs app={ app } uuid={ item.uuid } /> : null }
+          <div>???</div>
+        </div>
+
+        <div>
+          <input type="submit" class="btn btn-danger mr-2" value="Delete"
+            onclick={ e => { e.preventDefault();
+              wbDeleteObject(arvHost, arvToken, item.uuid).then(callback); } } />
+          <button class="btn btn-secondary mr-2" onclick={ e => { e.preventDefault();
+            this.hide(); } }>
+            Cancel
+          </button>
+        </div>
+      </WBDialog>
+    );
+  }
+}
+
+export default WBDeleteDialog;
diff --git a/frontend/src/js/misc/wb-delete-object.js b/frontend/src/js/misc/wb-delete-object.js
new file mode 100644
index 0000000..af2ac4e
--- /dev/null
+++ b/frontend/src/js/misc/wb-delete-object.js
@@ -0,0 +1,11 @@
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+function wbDeleteObject(arvHost, arvToken, uuid) {
+  const typeName = arvadosTypeName(uuid);
+  return makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + typeName + 's/' +
+    uuid, { 'method': 'DELETE' });
+}
+
+export default wbDeleteObject;
diff --git a/frontend/src/js/page/wb-browse.js b/frontend/src/js/page/wb-browse.js
index 7b170b1..c7c90d4 100644
--- a/frontend/src/js/page/wb-browse.js
+++ b/frontend/src/js/page/wb-browse.js
@@ -9,11 +9,13 @@ import WBProcessListing from 'wb-process-listing';
 import WBCollectionListing from 'wb-collection-listing';
 import WBWorkflowListing from 'wb-workflow-listing';
 import WBRenameDialog from 'wb-rename-dialog';
+import WBDeleteDialog from 'wb-delete-dialog';
 
 class WBBrowse extends Component {
   constructor(...args) {
     super(...args);
     this.renameDialogRef = createRef();
+    this.deleteDialogRef = createRef();
   }
 
   getUrl(params) {
@@ -45,6 +47,15 @@ class WBBrowse extends Component {
     );
   }
 
+  renderDeleteButton(item, callback) {
+    return (
+      <button class="btn btn-outline-danger m-1" title="Delete"
+        onclick={ () => this.deleteDialogRef.current.show(item, callback) }>
+        <i class="fas fa-trash"></i>
+      </button>
+    );
+  }
+
   render({ ownerUuid, activePage, appState, app,
     objTypeTab, collectionPage, processPage, workflowPage }) {
 
@@ -52,6 +63,8 @@ class WBBrowse extends Component {
       <div>
         <WBRenameDialog app={ app } ref={ this.renameDialogRef } />
 
+        <WBDeleteDialog app={ app } ref={ this.deleteDialogRef } />
+
         <WBNavbarCommon app={ app } activeItem={ !ownerUuid ? 'all-projects' :
           (ownerUuid === app.state.currentUser.uuid ? 'home' : null) } />
 
@@ -66,7 +79,8 @@ class WBBrowse extends Component {
           itemsPerPage="5"
           activePage={ Number(activePage || 0) }
           onPageChanged={ i => route('/browse/' + (ownerUuid || '') + '/' + i) }
-          renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) } />
+          renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) }
+          renderDeleteButton={ (it, cb) => this.renderDeleteButton(it, cb) } />
 
         <WBTabs tabs={ [
           { 'id': 'collection', 'name': 'Collections', 'isActive': (!objTypeTab || objTypeTab === 'collection') },
@@ -81,7 +95,8 @@ class WBBrowse extends Component {
               itemsPerPage="20"
               activePage={ Number(collectionPage || 0) }
               getPageUrl={ i => this.getUrl({ 'collectionPage': i }) }
-              renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) } />
+              renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) }
+              renderDeleteButton={ (it, cb) => this.renderDeleteButton(it, cb) } />
 
           ) : (objTypeTab === 'process' ? (
             <WBProcessListing appState={ appState }
@@ -89,7 +104,8 @@ class WBBrowse extends Component {
               itemsPerPage="20"
               activePage={ Number(processPage || 0) }
               onPageChanged={ i => this.route({ 'processPage': i }) }
-              renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) } />
+              renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) }
+              renderDeleteButton={ (it, cb) => this.renderDeleteButton(it, cb) } />
 
           ) : (objTypeTab === 'workflow' ? (
             <WBWorkflowListing app={ app }
@@ -97,7 +113,8 @@ class WBBrowse extends Component {
               itemsPerPage="20"
               page={ Number(workflowPage || 0) }
               getPageUrl={ i => this.getUrl({ 'workflowPage': i }) }
-              renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) } />
+              renderRenameLink={ (it, cb) => this.renderRenameLink(it, cb) }
+              renderDeleteButton={ (it, cb) => this.renderDeleteButton(it, cb) } />
 
           ) : null))
         }
diff --git a/frontend/src/js/widget/wb-dialog.js b/frontend/src/js/widget/wb-dialog.js
index 570a625..204bc2c 100644
--- a/frontend/src/js/widget/wb-dialog.js
+++ b/frontend/src/js/widget/wb-dialog.js
@@ -34,10 +34,13 @@ class WBDialog extends Component {
               </div>
 
               <div class="modal-footer">
-                <input type="submit" class="btn btn-primary" value="Accept"
-                  onclick={ e => { e.preventDefault(); this.hide(); accept(); } } />
-                <button type="button" class="btn btn-secondary"
-                  onclick={ () => { this.hide(); reject(); } }>Cancel</button>
+                { children[1] ? children[1] : [
+                  <input type="submit" class="btn btn-primary" value="Accept"
+                    onclick={ e => { e.preventDefault(); this.hide(); accept(); } } />,
+                  <button type="button" class="btn btn-secondary"
+                    onclick={ () => { this.hide(); reject(); } }>Cancel</button>
+                ] }
+
               </div>
             </div>
           </div>