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How to disable Safari 9 sidebar

With Safari 9 the sidebar automatically opens when your cursor moves to the left side of the page... this is REALLY annoying. Is there a way to disable it? I already sent feedback to Apple.

MacBook Pro (Retina, 13-inch, Late 2013), OS X El Capitan (10.11)

Posted on Oct 1, 2015 4:29 PM

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50 replies

Oct 1, 2015 4:34 PM in response to Evster87

That's not happening on Safari 9 and El Capitan v10.11 on my Mac. You may have a plugin or extension installed that's not compatible with Safari 9 and El Capitan v10.11.


From the Safari menu bar click Safari > Preferences then select the Extensions tab. Turn that OFF, quit and relaunch Safari to test. If that helped, turn one extension on then quit and relaunch Safari to test until you find the incompatible extension then click uninstall.


If it's not an extensions issue, try troubleshooting third party plug-ins.


Back to Safari > Preferences. This time select the Security tab. Deselect: Allow all other plug-ins. Quit and relaunch Safari to test.


If that made a difference, instructions for troubleshooting plugins here.

Oct 13, 2015 7:38 PM in response to Evster87

Just keep using Safari in fullscreen with the dock set to the left side in System Preferences. Enter this command in Terminal without quotes: "defaults write com.apple.Dock autohide-delay -float 1000 && killall Dock"

This will fix the issue.

Note: the dock will need the "Mission Control four finger swipe up" to show/hide it.

To make things back the way they were, enter this in Terminal: "defaults delete com.apple.Dock autohide-delay && killall Dock"

How to disable Safari 9 sidebar

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