diff --git a/chains/v21/preConfigured/chains.json b/chains/v21/preConfigured/chains.json
index bae1d0938..99e964b85 100644
--- a/chains/v21/preConfigured/chains.json
+++ b/chains/v21/preConfigured/chains.json
@@ -173,7 +173,7 @@
     },
     {
         "chainId": "f2b8faefcf9c370872d0b4d2eee31d46b4de4a8688153d23d82a39e2d6bc8bbc",
-        "name": "NeuroWeb Testnet (TESTNET)"
+        "name": "Neuro Testnet (TESTNET)"
     },
     {
         "chainId": "65c489fb7bfaf4a27f283faf694a64a8d7ae8fc0ed970fc4ebbf25d03095e4d0",
@@ -263,10 +263,6 @@
         "chainId": "27aafd88e5921f5d5c6aebcd728dacbbf5c2a37f63e2eda301f8e0def01c43ea",
         "name": "Dancebox (TESTNET)"
     },
-    {
-        "chainId": "e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405",
-        "name": "Encointer Testnet Gesell (TESTNET)"
-    },
     {
         "chainId": "7e18728b3f890088891d03dd5b30db9f1a0e62e05bc30eb4cf53f3c4a8280d76",
         "name": "Harmonie Testnet Live (TESTNET)"
diff --git a/chains/v21/preConfigured/chains_dev.json b/chains/v21/preConfigured/chains_dev.json
index 0e375c30b..12ebbcf36 100644
--- a/chains/v21/preConfigured/chains_dev.json
+++ b/chains/v21/preConfigured/chains_dev.json
@@ -211,10 +211,6 @@
         "chainId": "27aafd88e5921f5d5c6aebcd728dacbbf5c2a37f63e2eda301f8e0def01c43ea",
         "name": "Dancebox (TESTNET)"
     },
-    {
-        "chainId": "e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405",
-        "name": "Encointer Testnet Gesell (TESTNET)"
-    },
     {
         "chainId": "7e18728b3f890088891d03dd5b30db9f1a0e62e05bc30eb4cf53f3c4a8280d76",
         "name": "Harmonie Testnet Live (TESTNET)"
diff --git a/chains/v21/preConfigured/details/e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405.json b/chains/v21/preConfigured/details/e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405.json
deleted file mode 100644
index 9c36aaa84..000000000
--- a/chains/v21/preConfigured/details/e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    "chainId": "e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405",
-    "name": "Encointer Testnet Gesell (TESTNET)",
-    "assets": [
-        {
-            "assetId": 0,
-            "symbol": "ERT",
-            "precision": 12,
-            "icon": "Default.svg"
-        }
-    ],
-    "nodes": [
-        {
-            "url": "wss://gesell.encointer.org",
-            "name": "Encointer Association"
-        }
-    ],
-    "addressPrefix": 42
-}
diff --git a/chains/v21/preConfigured/details/f2b8faefcf9c370872d0b4d2eee31d46b4de4a8688153d23d82a39e2d6bc8bbc.json b/chains/v21/preConfigured/details/f2b8faefcf9c370872d0b4d2eee31d46b4de4a8688153d23d82a39e2d6bc8bbc.json
index 82302029c..547c48db1 100644
--- a/chains/v21/preConfigured/details/f2b8faefcf9c370872d0b4d2eee31d46b4de4a8688153d23d82a39e2d6bc8bbc.json
+++ b/chains/v21/preConfigured/details/f2b8faefcf9c370872d0b4d2eee31d46b4de4a8688153d23d82a39e2d6bc8bbc.json
@@ -1,6 +1,6 @@
 {
     "chainId": "f2b8faefcf9c370872d0b4d2eee31d46b4de4a8688153d23d82a39e2d6bc8bbc",
-    "name": "NeuroWeb Testnet (TESTNET)",
+    "name": "Neuro Testnet (TESTNET)",
     "assets": [
         {
             "assetId": 0,
diff --git a/chains/v21/preConfigured/detailsDev/e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405.json b/chains/v21/preConfigured/detailsDev/e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405.json
deleted file mode 100644
index 9c36aaa84..000000000
--- a/chains/v21/preConfigured/detailsDev/e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    "chainId": "e7eafa72eb58d1fdd906202f88d68f660ea6520bdc9c9ad08d6ebf91d14b4405",
-    "name": "Encointer Testnet Gesell (TESTNET)",
-    "assets": [
-        {
-            "assetId": 0,
-            "symbol": "ERT",
-            "precision": 12,
-            "icon": "Default.svg"
-        }
-    ],
-    "nodes": [
-        {
-            "url": "wss://gesell.encointer.org",
-            "name": "Encointer Association"
-        }
-    ],
-    "addressPrefix": 42
-}