diff --git a/etc/apt/sources.list/12.04 b/etc/apt/sources.list/12.04
index cc365f65..d8443da2 100644
--- a/etc/apt/sources.list/12.04
+++ b/etc/apt/sources.list/12.04
@@ -34,5 +34,5 @@ deb-src http://extras.ubuntu.com/ubuntu precise main
 
 # https://wiki.ubuntu.com/DebuggingProgramCrash
 # sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 428D7C01
-deb http://ddebs.ubuntu.com precise main restricted universe multiverse
-deb http://ddebs.ubuntu.com precise-updates main restricted universe multiverse
+#deb http://ddebs.ubuntu.com precise main restricted universe multiverse
+#deb http://ddebs.ubuntu.com precise-updates main restricted universe multiverse
diff --git a/etc/apt/sources.list/14.04 b/etc/apt/sources.list/14.04
index 70c6c6dd..1c4476da 100644
--- a/etc/apt/sources.list/14.04
+++ b/etc/apt/sources.list/14.04
@@ -34,5 +34,5 @@ deb-src http://extras.ubuntu.com/ubuntu trusty main
 
 # https://wiki.ubuntu.com/DebuggingProgramCrash
 # sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 428D7C01
-deb http://ddebs.ubuntu.com trusty main restricted universe multiverse
-deb http://ddebs.ubuntu.com trusty-updates main restricted universe multiverse
+#deb http://ddebs.ubuntu.com trusty main restricted universe multiverse
+#deb http://ddebs.ubuntu.com trusty-updates main restricted universe multiverse
diff --git a/etc/apt/sources.list/15.04 b/etc/apt/sources.list/15.04
index c289b563..fb9b13b5 100644
--- a/etc/apt/sources.list/15.04
+++ b/etc/apt/sources.list/15.04
@@ -29,5 +29,5 @@ deb-src http://archive.canonical.com/ubuntu vivid partner
 
 # https://wiki.ubuntu.com/DebuggingProgramCrash
 # sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 428D7C01
-deb http://ddebs.ubuntu.com vivid main restricted universe multiverse
-deb http://ddebs.ubuntu.com vivid-updates main restricted universe multiverse
+#deb http://ddebs.ubuntu.com vivid main restricted universe multiverse
+#deb http://ddebs.ubuntu.com vivid-updates main restricted universe multiverse
diff --git a/etc/apt/sources.list/15.10 b/etc/apt/sources.list/15.10
index fc17b648..7efdb930 100644
--- a/etc/apt/sources.list/15.10
+++ b/etc/apt/sources.list/15.10
@@ -29,5 +29,5 @@ deb-src http://archive.canonical.com/ubuntu wily partner
 
 # https://wiki.ubuntu.com/DebuggingProgramCrash
 # sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 428D7C01
-deb http://ddebs.ubuntu.com wily main restricted universe multiverse
-deb http://ddebs.ubuntu.com wily-updates main restricted universe multiverse
+#deb http://ddebs.ubuntu.com wily main restricted universe multiverse
+#deb http://ddebs.ubuntu.com wily-updates main restricted universe multiverse