plasma - Disable KDE Launcher - Browser history integration - Ask Ubuntuhttp://askubuntu.com/questions/325810/disable-kde-launcher-browser-history-integration
sudo cp /usr/share/kde4/services/plasma-runner-bookmarks.desktop /home/USER/.kde4/share/kde4/services/
sudo chown USERS:users /home/USERS/.kde4/share/kde4/services/plasma-runner-bookmarks.desktop
nano /home/USER/.kde4/share/kde4/services/plasma-runner-bookmarks.desktop
Find this line:
X-KDE-PluginInfo-EnabledByDefault=true
and change it to:
X-KDE-PluginInfo-EnabledByDefault=false