diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -148,7 +148,6 @@
    target_link_libraries(kalzium ${OPENBABEL2_LIBRARIES})
    if (EIGEN3_FOUND AND AvogadroLibs_FOUND)
       target_link_libraries(kalzium
-         KF5::NewStuff
          Qt5::OpenGL
          compoundviewer
          AvogadroQtGui
diff --git a/src/kalzium.knsrc b/src/kalzium.knsrc
--- a/src/kalzium.knsrc
+++ b/src/kalzium.knsrc
@@ -1,4 +1,4 @@
-[KNewStuff3]
-ProvidersUrl=http://data.kstuff.org/cgi-bin/hotstuff-provider?site=kalzium
-TargetDir=kalzium/molecules/
-Uncompress=never
+# [KNewStuff3]
+# ProvidersUrl=http://data.kstuff.org/cgi-bin/hotstuff-provider?site=kalzium
+# TargetDir=kalzium/molecules/
+# Uncompress=never
diff --git a/src/tools/moleculeview.cpp b/src/tools/moleculeview.cpp
--- a/src/tools/moleculeview.cpp
+++ b/src/tools/moleculeview.cpp
@@ -29,7 +29,6 @@
 #include <KMessageBox>
 #include <KLocalizedString>
 #include <QUrl>
-#include <knewstuff3/downloaddialog.h>
 #include <kio/job.h>
 
 #include "iowrapper.h"
@@ -57,13 +56,13 @@
     QGLFormat::setDefaultFormat(defFormat);
 
     setCaption(i18n("Molecular Editor"));
-    setButtons(User3 | User2 | User1 | Close);
+    setButtons(User3 | /*User2 | */User1 | Close);
 
     setDefaultButton(User1);
 
     setButtonGuiItem(User1, KGuiItem(i18n("Load Molecule"), "document-open", i18n("Loading a molecule")));
 
-    setButtonGuiItem(User2, KGuiItem(i18n("Download New Molecules"), "get-hot-new-stuff", i18n("Download new molecule files")));
+//     setButtonGuiItem(User2, KGuiItem(i18n("Download New Molecules"), "get-hot-new-stuff", i18n("Download new molecule files")));
 
     setButtonGuiItem(User3, KGuiItem(i18n("Save Molecule"), "document-save", i18n("Saving a molecule")));
 
@@ -95,8 +94,8 @@
 
     connect(this, &KDialog::user1Clicked,
             this, &MoleculeDialog::slotLoadMolecule);
-    connect(this, &KDialog::user2Clicked,
-            this, &MoleculeDialog::slotDownloadNewStuff);
+//     connect(this, &KDialog::user2Clicked,
+//             this, &MoleculeDialog::slotDownloadNewStuff);
     connect(this, &KDialog::user3Clicked,
             this, &MoleculeDialog::slotSaveMolecule);