diff --git a/lib/ace/commands/default_commands.js b/lib/ace/commands/default_commands.js
index 28ce390f..9c663d18 100644
--- a/lib/ace/commands/default_commands.js
+++ b/lib/ace/commands/default_commands.js
@@ -393,7 +393,7 @@ exports.commands = [{
     exec: function(editor) { editor.moveLinesDown(); }
 }, {
     name: "del",
-    bindKey: bindKey("Delete", "Delete|Ctrl-D"),
+    bindKey: bindKey("Delete", "Delete|Ctrl-D|Shift-Delete"),
     exec: function(editor) { editor.remove("right"); },
     multiSelectAction: "forEach"
 }, {
@@ -404,6 +404,17 @@ exports.commands = [{
     ),
     exec: function(editor) { editor.remove("left"); },
     multiSelectAction: "forEach"
+}, {
+    name: "cut_or_delete",
+    bindKey: bindKey("Shift-Delete", null),
+    exec: function(editor) { 
+        if (editor.selection.isEmpty()) {
+            editor.remove("left");
+        } else {
+            return false;
+        }
+    },
+    multiSelectAction: "forEach"
 }, {
     name: "removetolinestart",
     bindKey: bindKey("Alt-Backspace", "Command-Backspace"),