diff --git a/browser/devtools/sourceeditor/source-editor-orion.jsm b/browser/devtools/sourceeditor/source-editor-orion.jsm
index 4de70e91363c..b595e6110d48 100644
--- a/browser/devtools/sourceeditor/source-editor-orion.jsm
+++ b/browser/devtools/sourceeditor/source-editor-orion.jsm
@@ -123,13 +123,13 @@ const DEFAULT_KEYBINDINGS = [
     action: "Move to Bracket Opening",
     code: Ci.nsIDOMKeyEvent.DOM_VK_OPEN_BRACKET,
     accel: true,
-    shift: true,
+    alt: true,
   },
   {
     action: "Move to Bracket Closing",
     code: Ci.nsIDOMKeyEvent.DOM_VK_CLOSE_BRACKET,
     accel: true,
-    shift: true,
+    alt: true,
   },
 ];
 
diff --git a/browser/devtools/sourceeditor/test/browser_bug729960_block_bracket_jump.js b/browser/devtools/sourceeditor/test/browser_bug729960_block_bracket_jump.js
index 4608dbfc202d..137964173da2 100644
--- a/browser/devtools/sourceeditor/test/browser_bug729960_block_bracket_jump.js
+++ b/browser/devtools/sourceeditor/test/browser_bug729960_block_bracket_jump.js
@@ -53,33 +53,33 @@ function test() {
 
     // Setting caret at Line 1 bracket start.
     editor.setCaretOffset(19);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 220,
        "JS : Jump to closing bracket of the code block when caret at block start");
 
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 20,
        "JS : Jump to opening bracket of the code block when caret at block end");
 
     // Setting caret at Line 10 start.
     editor.setCaretOffset(161);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 20,
        "JS : Jump to opening bracket of code block when inside the function");
 
     editor.setCaretOffset(161);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 220,
        "JS : Jump to closing bracket of code block when inside the function");
 
     // Setting caret at Line 6 start.
     editor.setCaretOffset(67);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 159,
        "JS : Jump to closing bracket in a nested function with caret inside");
 
     editor.setCaretOffset(67);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 62,
        "JS : Jump to opening bracket in a nested function with caret inside");
 
@@ -93,22 +93,22 @@ function test() {
 
     // Setting caret at Line 1 bracket start.
     editor.setCaretOffset(8);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 45,
        "CSS : Jump to closing bracket of the code block when caret at block start");
 
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 9,
        "CSS : Jump to opening bracket of the code block when caret at block end");
 
     // Setting caret at Line 3 start.
     editor.setCaretOffset(28);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 9,
        "CSS : Jump to opening bracket of code block when inside the function");
 
     editor.setCaretOffset(28);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 45,
        "CSS : Jump to closing bracket of code block when inside the function");
 
@@ -124,13 +124,13 @@ function test() {
 
     // Setting caret at Line 1 end.
     editor.setCaretOffset(6);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 6,
        "HTML : Jump to block end : Nothing happens in html mode");
 
     // Setting caret at Line 4 end.
     editor.setCaretOffset(64);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 64,
        "HTML : Jump to block start : Nothing happens in html mode");
 
@@ -144,13 +144,13 @@ function test() {
 
     // Setting caret at Line 1 start.
     editor.setCaretOffset(0);
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 0,
        "Text : Jump to block end : Nothing happens in text mode");
 
     // Setting caret at Line 4 end.
     editor.setCaretOffset(28);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 28,
        "Text : Jump to block start : Nothing happens in text mode");
 
diff --git a/browser/devtools/sourceeditor/test/browser_bug744021_next_prev_bracket_jump.js b/browser/devtools/sourceeditor/test/browser_bug744021_next_prev_bracket_jump.js
index 68d055babce6..b822df587d04 100644
--- a/browser/devtools/sourceeditor/test/browser_bug744021_next_prev_bracket_jump.js
+++ b/browser/devtools/sourceeditor/test/browser_bug744021_next_prev_bracket_jump.js
@@ -57,15 +57,15 @@ function test() {
 
     // Setting caret at end of line 11 (function baz() {).
     editor.setCaretOffset(147);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 16,
        "JS : Jump to opening bracket of previous sibling block when no parent");
 
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 129,
        "JS : Jump to closing bracket of same code block");
 
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 151,
        "JS : Jump to closing bracket of next sibling code block");
 
@@ -82,15 +82,15 @@ function test() {
 
     // Setting caret at Line 5 end (.class1 {).
     editor.setCaretOffset(57);
-    EventUtils.synthesizeKey("[", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("[", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 10,
        "CSS : Jump to opening bracket of previous sibling code block");
 
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 46,
        "CSS : Jump to closing bracket of same code block");
 
-    EventUtils.synthesizeKey("]", {accelKey: true, shiftKey: true}, testWin);
+    EventUtils.synthesizeKey("]", {accelKey: true, altKey: true}, testWin);
     is(editor.getCaretOffset(), 77,
        "CSS : Jump to closing bracket of next sibling code block");