diff --git a/mqchael-pipelight-daily-trusty.list b/mqchael-pipelight-daily-trusty.list
deleted file mode 100644
index 75fe5b0..0000000
--- a/mqchael-pipelight-daily-trusty.list
+++ /dev/null
@@ -1,2 +0,0 @@
-deb http://ppa.launchpad.net/mqchael/pipelight-daily/ubuntu trusty main
-# deb-src http://ppa.launchpad.net/mqchael/pipelight-daily/ubuntu trusty main
diff --git a/n-muench-calibre-trusty.list b/n-muench-calibre-trusty.list
deleted file mode 100644
index 5c124f1..0000000
--- a/n-muench-calibre-trusty.list
+++ /dev/null
@@ -1 +0,0 @@
-deb http://ppa.launchpad.net/n-muench/calibre/ubuntu trusty main
diff --git a/simonschneegans-testing-trusty.list b/simonschneegans-testing-trusty.list
deleted file mode 100644
index 5c1b5f5..0000000
--- a/simonschneegans-testing-trusty.list
+++ /dev/null
@@ -1 +0,0 @@
-deb http://ppa.launchpad.net/simonschneegans/testing/ubuntu trusty main
diff --git a/t-tujikawa-ppa-saucy.list b/t-tujikawa-ppa-saucy.list
deleted file mode 100644
index d69d323..0000000
--- a/t-tujikawa-ppa-saucy.list
+++ /dev/null
@@ -1,4 +0,0 @@
-# aria2c
-# Key: 0x1CB94782
-deb http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu saucy main
-# deb-src http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu saucy main
diff --git a/tiheum-equinox-trusty.list b/tiheum-equinox-trusty.list
deleted file mode 100644
index 21c9f7c..0000000
--- a/tiheum-equinox-trusty.list
+++ /dev/null
@@ -1 +0,0 @@
-deb http://ppa.launchpad.net/tiheum/equinox/ubuntu trusty main
diff --git a/timekiller-unity-systrayfix-trusty.list b/timekiller-unity-systrayfix-trusty.list
deleted file mode 100644
index 9285fc7..0000000
--- a/timekiller-unity-systrayfix-trusty.list
+++ /dev/null
@@ -1,3 +0,0 @@
-# Key 0x1484395B
-deb http://ppa.launchpad.net/timekiller/unity-systrayfix/ubuntu trusty main
-# deb-src http://ppa.launchpad.net/timekiller/unity-systrayfix/ubuntu trusty main