diff --git a/cocoa/base/DirectoryPanel.m b/cocoa/base/DirectoryPanel.m
index 9d12f00d..dbe7c45f 100644
--- a/cocoa/base/DirectoryPanel.m
+++ b/cocoa/base/DirectoryPanel.m
@@ -130,8 +130,10 @@ http://www.hardcoded.net/licenses/bsd_license
         return;
     }
     [removeButton setEnabled:YES];
-    NSInteger state = [outline intProperty:@"state" valueAtPath:[outline selectedIndexPath]];
-    NSString *imgName = state == 2 ? @"NSGoLeftTemplate" : @"NSRemoveTemplate";
+    NSIndexPath *path = [outline selectedIndexPath];
+    NSInteger state = [outline intProperty:@"state" valueAtPath:path];
+    BOOL shouldDisplayArrow = ([path length] > 1) && (state == 2);
+    NSString *imgName = shouldDisplayArrow ? @"NSGoLeftTemplate" : @"NSRemoveTemplate";
     [removeButton setImage:[NSImage imageNamed:imgName]];
 }
 
diff --git a/cocoa/base/en.lproj/DirectoryPanel.xib b/cocoa/base/en.lproj/DirectoryPanel.xib
index 44abf14b..8e919204 100644
--- a/cocoa/base/en.lproj/DirectoryPanel.xib
+++ b/cocoa/base/en.lproj/DirectoryPanel.xib
@@ -2,13 +2,13 @@
 <archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="8.00">
 	<data>
 		<int key="IBDocument.SystemTarget">1060</int>
-		<string key="IBDocument.SystemVersion">11B26</string>
-		<string key="IBDocument.InterfaceBuilderVersion">1617</string>
-		<string key="IBDocument.AppKitVersion">1138</string>
-		<string key="IBDocument.HIToolboxVersion">566.00</string>
+		<string key="IBDocument.SystemVersion">11C74</string>
+		<string key="IBDocument.InterfaceBuilderVersion">1938</string>
+		<string key="IBDocument.AppKitVersion">1138.23</string>
+		<string key="IBDocument.HIToolboxVersion">567.00</string>
 		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
 			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin</string>
-			<string key="NS.object.0">1617</string>
+			<string key="NS.object.0">1938</string>
 		</object>
 		<array key="IBDocument.IntegratedClassDependencies">
 			<string>NSTextField</string>
@@ -31,7 +31,10 @@
 		<array key="IBDocument.PluginDependencies">
 			<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 		</array>
-		<dictionary class="NSMutableDictionary" key="IBDocument.Metadata"/>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
 		<array class="NSMutableArray" key="IBDocument.RootObjects" id="238648523">
 			<object class="NSCustomObject" id="566600593">
 				<string key="NSClassName">DirectoryPanel</string>
@@ -233,7 +236,7 @@
 												</object>
 											</object>
 											<double key="NSRowHeight">14</double>
-											<int key="NSTvFlags">1379958784</int>
+											<int key="NSTvFlags">1514176512</int>
 											<reference key="NSDelegate"/>
 											<reference key="NSDataSource"/>
 											<int key="NSColumnAutoresizingStyle">1</int>
@@ -510,14 +513,6 @@
 		</array>
 		<object class="IBObjectContainer" key="IBDocument.Objects">
 			<array class="NSMutableArray" key="connectionRecords">
-				<object class="IBConnectionRecord">
-					<object class="IBOutletConnection" key="connection">
-						<string key="label">initialFirstResponder</string>
-						<reference key="source" ref="970147395"/>
-						<reference key="destination" ref="10140319"/>
-					</object>
-					<int key="connectionID">19</int>
-				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBOutletConnection" key="connection">
 						<string key="label">window</string>
@@ -542,14 +537,6 @@
 					</object>
 					<int key="connectionID">54</int>
 				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBActionConnection" key="connection">
-						<string key="label">startScanning:</string>
-						<reference key="source" ref="244639324"/>
-						<reference key="destination" ref="580397230"/>
-					</object>
-					<int key="connectionID">60</int>
-				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBActionConnection" key="connection">
 						<string key="label">removeSelectedDirectory:</string>
@@ -590,6 +577,22 @@
 					</object>
 					<int key="connectionID">78</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">startScanning:</string>
+						<reference key="source" ref="244639324"/>
+						<reference key="destination" ref="580397230"/>
+					</object>
+					<int key="connectionID">60</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">initialFirstResponder</string>
+						<reference key="source" ref="970147395"/>
+						<reference key="destination" ref="10140319"/>
+					</object>
+					<int key="connectionID">19</int>
+				</object>
 			</array>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<array key="orderedObjects">
@@ -1025,6 +1028,17 @@
 				<object class="IBPartialClassDescription">
 					<string key="className">HSOutlineView</string>
 					<string key="superclassName">NSOutlineView</string>
+					<object class="NSMutableDictionary" key="actions">
+						<string key="NS.key.0">copy:</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="NSMutableDictionary" key="actionInfosByName">
+						<string key="NS.key.0">copy:</string>
+						<object class="IBActionInfo" key="NS.object.0">
+							<string key="name">copy:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</object>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
 						<string key="majorKey">IBProjectSource</string>
 						<string key="minorKey">./Classes/HSOutlineView.h</string>
@@ -1064,7 +1078,7 @@
 		</object>
 		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
 			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.macosx</string>
-			<integer value="1050" key="NS.object.0"/>
+			<real value="1060" key="NS.object.0"/>
 		</object>
 		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
 			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.InterfaceBuilder3</string>
diff --git a/core/app.py b/core/app.py
index 6e117106..cfd605c1 100644
--- a/core/app.py
+++ b/core/app.py
@@ -368,9 +368,11 @@ class DupeGuru(RegistrableApplication, Broadcaster):
     def purge_ignore_list(self):
         self.scanner.ignore_list.Filter(lambda f,s:op.exists(f) and op.exists(s))
     
-    def remove_directory(self,index):
+    def remove_directories(self, indexes):
         try:
-            del self.directories[index]
+            indexes = sorted(indexes, reverse=True)
+            for index in indexes:
+                del self.directories[index]
             self.notify('directories_changed')
         except IndexError:
             pass
diff --git a/core/gui/directory_tree.py b/core/gui/directory_tree.py
index ea9bdfb8..6bba4fd6 100644
--- a/core/gui/directory_tree.py
+++ b/core/gui/directory_tree.py
@@ -77,15 +77,20 @@ class DirectoryTree(GUIObject, Tree):
         self.app.add_directory(path)
     
     def remove_selected(self):
-        selected_node = self.selected_node
-        if selected_node is None:
+        selected_paths = self.selected_paths
+        if not selected_paths:
             return
-        if selected_node.parent is self and selected_node.state != DirectoryState.Excluded:
-            root_index = self.selected_path[0]
-            self.app.remove_directory(root_index)
+        to_delete = [path[0] for path in selected_paths if len(path) == 1]
+        if to_delete:
+            self.app.remove_directories(to_delete)
         else:
-            newstate = DirectoryState.Normal if selected_node.state == DirectoryState.Excluded else DirectoryState.Excluded
-            selected_node.state = newstate
+            # All selected nodes or on second-or-more level, exclude them.
+            nodes = self.selected_nodes
+            newstate = DirectoryState.Excluded
+            if all(node.state == DirectoryState.Excluded for node in nodes):
+                newstate = DirectoryState.Normal
+            for node in nodes:
+                node.state = newstate
     
     def update_all_states(self):
         for node in self:
diff --git a/qt/base/directories_dialog.py b/qt/base/directories_dialog.py
index 1612fa0b..605b7dc0 100644
--- a/qt/base/directories_dialog.py
+++ b/qt/base/directories_dialog.py
@@ -108,6 +108,8 @@ class DirectoriesDialog(QMainWindow):
         self.promptLabel = QLabel(tr("Select folders to scan and press \"Scan\"."), self.centralwidget)
         self.verticalLayout.addWidget(self.promptLabel)
         self.treeView = QTreeView(self.centralwidget)
+        self.treeView.setSelectionMode(QAbstractItemView.ExtendedSelection)
+        self.treeView.setSelectionBehavior(QAbstractItemView.SelectRows)
         self.treeView.setAcceptDrops(True)
         triggers = QAbstractItemView.DoubleClicked|QAbstractItemView.EditKeyPressed\
             |QAbstractItemView.SelectedClicked