diff --git a/data/ecosystems/p/polkadot.toml b/data/ecosystems/p/polkadot.toml
index 32330cdc..d1fe68ec 100644
--- a/data/ecosystems/p/polkadot.toml
+++ b/data/ecosystems/p/polkadot.toml
@@ -77,7 +77,6 @@ sub_ecosystems = [
   "Astar Network",
   "Automata Network",
   "Aventus",
-  "Bit.country",
   "Bluzelle",
   "Borlaug Web Services",
   "Caelum Labs",
@@ -98,7 +97,6 @@ sub_ecosystems = [
   "Encointer",
   "Energy Web Foundation",
   "Equilibrium",
-  "ETCDEV",
   "Evercity",
   "Fractal",
   "Figment",