diff --git a/spec/app/editor-spec.coffee b/spec/app/editor-spec.coffee
index fed7b5e59..143d82bf1 100644
--- a/spec/app/editor-spec.coffee
+++ b/spec/app/editor-spec.coffee
@@ -2042,3 +2042,19 @@ describe "Editor", ->
       event.shiftKey = true
       editor.underlayer.trigger event
       expect(editor.getSelection().getScreenRange()).toEqual [[0,0], [12,2]]
+
+  describe ".destroyInactiveEditSessions()", ->
+    it "destroys all non-active, non-modified edit sessions", ->
+      editor.setText("I'm dirty")
+      dirtySession = editor.activeEditSession
+      rootView.open('sample.txt')
+      cssSession = rootView.open('css.css')
+      rootView.open('coffee.coffee')
+      rootView.open('hello.rb')
+      expect(editor.getEditSessions().length).toBe 5
+      editor.setActiveEditSessionIndex(2)
+      editor.destroyInactiveEditSessions()
+      expect(editor.getActiveEditSessionIndex()).toBe 1
+      expect(editor.getEditSessions().length).toBe 2
+      expect(editor.getEditSessions()[0]).toBe dirtySession
+      expect(editor.getEditSessions()[1]).toBe cssSession
diff --git a/src/app/editor.coffee b/src/app/editor.coffee
index b4a88884f..a0fb1fcdb 100644
--- a/src/app/editor.coffee
+++ b/src/app/editor.coffee
@@ -176,6 +176,7 @@ class Editor extends View
         'editor:toggle-line-comments': @toggleLineCommentsInSelection
         'editor:log-cursor-scope': @logCursorScope
         'editor:checkout-head-revision': @checkoutHead
+        'editor:close-other-editors': @destroyInactiveEditSessions
 
     documentation = {}
     for name, method of editorBindings
@@ -457,6 +458,14 @@ class Editor extends View
       editSession.destroy()
       @trigger 'editor:edit-session-removed', [editSession, index]
 
+  destroyInactiveEditSessions: ->
+    index = 0
+    while session = @editSessions[index]
+      if @activeEditSession is session or session.buffer.isModified()
+        index++
+      else
+        @destroyEditSessionIndex(index)
+
   loadNextEditSession: ->
     nextIndex = (@getActiveEditSessionIndex() + 1) % @editSessions.length
     @setActiveEditSessionIndex(nextIndex)
diff --git a/src/app/keymaps/editor.cson b/src/app/keymaps/editor.cson
index cb3675501..78be6a273 100644
--- a/src/app/keymaps/editor.cson
+++ b/src/app/keymaps/editor.cson
@@ -4,7 +4,6 @@
   'meta-enter': 'editor:newline-below'
   'tab': 'editor:indent'
   'meta-d': 'editor:delete-line'
-  'alt-meta-w': 'editor:toggle-soft-wrap'
   'ctrl-[': 'editor:fold-current-row'
   'ctrl-]': 'editor:unfold-current-row'
   'ctrl-{': 'editor:fold-all'
@@ -33,3 +32,4 @@
   'meta-alt-p': 'editor:log-cursor-scope'
   'meta-u': 'editor:upper-case'
   'meta-U': 'editor:lower-case'
+  'alt-meta-w': 'editor:close-other-editors'