diff --git a/nodes/10.0.1.193.json b/nodes/10.0.1.193.json
deleted file mode 100644
index 22fdd9f..0000000
--- a/nodes/10.0.1.193.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb"
-  ],
-  "blog": {
-    "production":  true
-  },
-  "is_ec2": true
-}
diff --git a/nodes/10.0.1.234.json b/nodes/10.0.1.234.json
deleted file mode 100644
index ae1490d..0000000
--- a/nodes/10.0.1.234.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb",
-    "cookbooks/nginx/default.rb",
-    "cookbooks/blog/default.rb",
-    "cookbooks/statup/default.rb"
-  ],
-  "blog": {
-    "production":  true
-  },
-  "is_ec2": true
-}
diff --git a/nodes/192.168.10.101.json b/nodes/192.168.10.101.json
deleted file mode 100644
index d5314d1..0000000
--- a/nodes/192.168.10.101.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb"
-  ]
-}
diff --git a/nodes/192.168.10.110.json b/nodes/192.168.10.110.json
deleted file mode 100644
index 2421f1f..0000000
--- a/nodes/192.168.10.110.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb",
-    "cookbooks/grafana/default.rb"
-  ],
-  "prometheus": {
-    "manager": true
-  },
-  "td-agent": {
-    "forward": true
-  }
-}
diff --git a/nodes/192.168.10.115.json b/nodes/192.168.10.115.json
deleted file mode 100644
index 4cda4e7..0000000
--- a/nodes/192.168.10.115.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb",
-    "cookbooks/embulk",
-    "cookbooks/digdag",
-    "cookbooks/docker"
-  ],
-
-  "td-agent": {
-    "forward": true
-  }
-}
diff --git a/nodes/192.168.10.116.json b/nodes/192.168.10.116.json
deleted file mode 100644
index 4cda4e7..0000000
--- a/nodes/192.168.10.116.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb",
-    "cookbooks/embulk",
-    "cookbooks/digdag",
-    "cookbooks/docker"
-  ],
-
-  "td-agent": {
-    "forward": true
-  }
-}
diff --git a/nodes/192.168.10.76.json b/nodes/192.168.10.76.json
deleted file mode 100644
index e9f9890..0000000
--- a/nodes/192.168.10.76.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb",
-    "cookbooks/nginx/default.rb"
-  ]
-}
diff --git a/nodes/192.168.10.78.json b/nodes/192.168.10.78.json
deleted file mode 100644
index d5314d1..0000000
--- a/nodes/192.168.10.78.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb"
-  ]
-}
diff --git a/nodes/192.168.10.90.json b/nodes/192.168.10.90.json
deleted file mode 100644
index d5314d1..0000000
--- a/nodes/192.168.10.90.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb"
-  ]
-}
diff --git a/nodes/192.168.10.91.json b/nodes/192.168.10.91.json
deleted file mode 100644
index ee4761e..0000000
--- a/nodes/192.168.10.91.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "recipes": [
-    "roles/base.rb"
-  ],
-  "blog": {
-    "production":  true
-  }
-}