diff --git a/samples/CocosDragonJS/proj.android/AndroidManifest.xml b/samples/CocosDragonJS/proj.android/AndroidManifest.xml
index 3c1cb33748..3abb0f46fe 100644
--- a/samples/CocosDragonJS/proj.android/AndroidManifest.xml
+++ b/samples/CocosDragonJS/proj.android/AndroidManifest.xml
@@ -7,7 +7,6 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
         android:icon="@drawable/icon">
 
         <activity android:name=".CocosDragonJS"
diff --git a/samples/HelloCpp/proj.android/AndroidManifest.xml b/samples/HelloCpp/proj.android/AndroidManifest.xml
index bccf7836f9..103c803f69 100644
--- a/samples/HelloCpp/proj.android/AndroidManifest.xml
+++ b/samples/HelloCpp/proj.android/AndroidManifest.xml
@@ -7,7 +7,6 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
         android:icon="@drawable/icon">
 
         <activity android:name=".HelloCpp"
diff --git a/samples/HelloLua/proj.android/AndroidManifest.xml b/samples/HelloLua/proj.android/AndroidManifest.xml
index fdd48d278c..37349bfbc1 100644
--- a/samples/HelloLua/proj.android/AndroidManifest.xml
+++ b/samples/HelloLua/proj.android/AndroidManifest.xml
@@ -7,7 +7,7 @@
     <uses-sdk android:minSdkVersion="7" android:targetSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true" android:icon="@drawable/icon">
+                 android:icon="@drawable/icon">
 
         <activity android:name=".HelloLua"
                   android:label="@string/app_name"
diff --git a/samples/MoonWarriors/proj.android/AndroidManifest.xml b/samples/MoonWarriors/proj.android/AndroidManifest.xml
index a7e2802621..cdbd044720 100644
--- a/samples/MoonWarriors/proj.android/AndroidManifest.xml
+++ b/samples/MoonWarriors/proj.android/AndroidManifest.xml
@@ -7,7 +7,6 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
         android:icon="@drawable/icon">
 
         <activity android:name=".MoonWarriors"
diff --git a/samples/SimpleGame/proj.android/AndroidManifest.xml b/samples/SimpleGame/proj.android/AndroidManifest.xml
index 8574ea3ceb..591b6c7540 100644
--- a/samples/SimpleGame/proj.android/AndroidManifest.xml
+++ b/samples/SimpleGame/proj.android/AndroidManifest.xml
@@ -7,7 +7,6 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
         android:icon="@drawable/icon">
 
         <activity android:name=".SimpleGame"
diff --git a/samples/TestCpp/proj.android/AndroidManifest.xml b/samples/TestCpp/proj.android/AndroidManifest.xml
index 023998ea8b..11ae6c591d 100644
--- a/samples/TestCpp/proj.android/AndroidManifest.xml
+++ b/samples/TestCpp/proj.android/AndroidManifest.xml
@@ -7,7 +7,6 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
         android:icon="@drawable/icon">
 
         <activity android:name=".TestCpp"
diff --git a/samples/TestJavascript/proj.android/AndroidManifest.xml b/samples/TestJavascript/proj.android/AndroidManifest.xml
index 156094ab60..9468751cc3 100644
--- a/samples/TestJavascript/proj.android/AndroidManifest.xml
+++ b/samples/TestJavascript/proj.android/AndroidManifest.xml
@@ -7,7 +7,6 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
         android:icon="@drawable/icon">
 
         <activity android:name=".TestJavascript"
diff --git a/samples/TestLua/proj.android/AndroidManifest.xml b/samples/TestLua/proj.android/AndroidManifest.xml
index 028f47272f..87b4cb8918 100644
--- a/samples/TestLua/proj.android/AndroidManifest.xml
+++ b/samples/TestLua/proj.android/AndroidManifest.xml
@@ -7,7 +7,7 @@
     <uses-sdk android:minSdkVersion="7" android:targetSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true" android:icon="@drawable/icon">
+                 android:icon="@drawable/icon">
 
         <activity android:name=".TestLua"
                   android:label="@string/app_name"
diff --git a/samples/WatermelonWithMe/proj.android/AndroidManifest.xml b/samples/WatermelonWithMe/proj.android/AndroidManifest.xml
index c0b7bddac1..6a708d3036 100644
--- a/samples/WatermelonWithMe/proj.android/AndroidManifest.xml
+++ b/samples/WatermelonWithMe/proj.android/AndroidManifest.xml
@@ -7,8 +7,7 @@
     <uses-sdk android:minSdkVersion="8"/>
 
     <application android:label="@string/app_name"
-        android:debuggable="true"
-        android:icon="@drawable/icon">
+                 android:icon="@drawable/icon">
 
         <activity android:name="org.cocos2dx.watermelonwithme.WatermelonWithMe"
                   android:label="@string/app_name"