diff --git a/systems/lctr-a9xx/manta-17.cfg b/systems/lctr-a9xx/manta-17.cfg
deleted file mode 100644
index 3a4737e..0000000
--- a/systems/lctr-a9xx/manta-17.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-cfg_hostname='manta-17'
-cfg_eth_ext_ip='10.0.30.17'
diff --git a/systems/lctr-a9xx/manta-20.cfg b/systems/lctr-a9xx/manta-20.cfg
deleted file mode 100644
index 553a364..0000000
--- a/systems/lctr-a9xx/manta-20.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-cfg_hostname='manta-20'
-cfg_eth_ext_ip='10.0.30.20'
diff --git a/systems/lctr-a9xx/manta-21.cfg b/systems/lctr-a9xx/manta-21.cfg
deleted file mode 100644
index 1994cef..0000000
--- a/systems/lctr-a9xx/manta-21.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-cfg_hostname='manta-21'
-cfg_eth_ext_ip='10.0.30.21'
diff --git a/systems/lctr-a9xx/manta-22.cfg b/systems/lctr-a9xx/manta-22.cfg
deleted file mode 100644
index fc1d684..0000000
--- a/systems/lctr-a9xx/manta-22.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-cfg_hostname='manta-22'
-cfg_eth_ext_ip='10.0.30.22'