diff --git a/platform/viewer/src/connectedComponents/Viewer.js b/platform/viewer/src/connectedComponents/Viewer.js
index 922b5660c..efb171d63 100644
--- a/platform/viewer/src/connectedComponents/Viewer.js
+++ b/platform/viewer/src/connectedComponents/Viewer.js
@@ -18,41 +18,6 @@ import WhiteLabellingContext from '../context/WhiteLabellingContext.js';
 import UserManagerContext from '../context/UserManagerContext';
 
 import './Viewer.css';
-/**
- * Inits OHIF Hanging Protocol's onReady.
- * It waits for OHIF Hanging Protocol to be ready to instantiate the ProtocolEngine
- * Hanging Protocol will use OHIF LayoutManager to render viewports properly
- */
-/*const initHangingProtocol = () => {
-    // When Hanging Protocol is ready
-    HP.ProtocolStore.onReady(() => {
-
-        // Gets all StudyMetadata objects: necessary for Hanging Protocol to access study metadata
-        const studyMetadataList = OHIF.viewer.StudyMetadataList.all();
-
-        // Instantiate StudyMetadataSource: necessary for Hanging Protocol to get study metadata
-        const studyMetadataSource = new OHIF.studies.classes.OHIFStudyMetadataSource();
-
-        // Get prior studies map
-        const studyPriorsMap = OHIF.studylist.functions.getStudyPriorsMap(studyMetadataList);
-
-        // Creates Protocol Engine object with required arguments
-        const ProtocolEngine = new HP.ProtocolEngine(layoutManager, studyMetadataList, studyPriorsMap, studyMetadataSource);
-
-        // Sets up Hanging Protocol engine
-        HP.setEngine(ProtocolEngine);
-    });
-};*/
-
-/*const viewportUtils = OHIF.viewerbase.viewportUtils;
-
-OHIF.viewer.functionList = {
-    toggleCineDialog: viewportUtils.toggleCineDialog,
-    toggleCinePlay: viewportUtils.toggleCinePlay,
-    clearTools: viewportUtils.clearTools,
-    resetViewport: viewportUtils.resetViewport,
-    invert: viewportUtils.invert
-};*/
 
 class Viewer extends Component {
   static propTypes = {