diff --git a/data/chains/error-rpc.json b/data/chains/error-rpc.json
index 29c81e94860..ce336310e43 100644
--- a/data/chains/error-rpc.json
+++ b/data/chains/error-rpc.json
@@ -23,14 +23,6 @@
       "BEVM OP Testnet": "https://sepolia-wbtc-testnet.bevm.io/"
     }
   },
-  {
-    "slug": "bittensor",
-    "name": "Bittensor",
-    "status": "ACTIVE",
-    "errorRpcs": {
-      "Opentensor": "wss://entrypoint-finney.opentensor.ai:443"
-    }
-  },
   {
     "slug": "botanixEvmTest",
     "name": "Botanix Testnet",
@@ -47,6 +39,14 @@
       "calamari_test": "wss://c1.calamari.seabird.systems"
     }
   },
+  {
+    "slug": "heiko",
+    "name": "Heiko",
+    "status": "ACTIVE",
+    "errorRpcs": {
+      "Parallel": "wss://heiko-rpc.parallel.fi"
+    }
+  },
   {
     "slug": "hyperbridge",
     "name": "Hyperbridge",