diff --git a/cumulus/polkadot-parachains/res/statemine.json b/cumulus/polkadot-parachains/res/statemine.json
index b5ed5d2d0b1f9d9a94d67d64f7f625347d81de72..826cdd37f0cc2fde712b65de68f14413b8b3adeb 100644
--- a/cumulus/polkadot-parachains/res/statemine.json
+++ b/cumulus/polkadot-parachains/res/statemine.json
@@ -16,7 +16,6 @@
   "relay_chain": "kusama",
   "para_id": 1000,
   "consensusEngine": null,
-  "lightSyncState": null,
   "genesis": {
     "raw": {
       "top": {
diff --git a/cumulus/polkadot-parachains/res/statemine_genesis.json b/cumulus/polkadot-parachains/res/statemine_genesis.json
index a24257046c33c7865b0970e4282050aa1894634d..95b7a973a494210e8ce1f06940ba9b7cde017bab 100644
--- a/cumulus/polkadot-parachains/res/statemine_genesis.json
+++ b/cumulus/polkadot-parachains/res/statemine_genesis.json
@@ -14,7 +14,6 @@
   "relay_chain": "kusama",
   "para_id": 1000,
   "consensusEngine": null,
-  "lightSyncState": null,
   "codeSubstitutes": {},
   "genesis": {
     "raw": {
@@ -74,4 +73,4 @@
       "childrenDefault": {}
     }
   }
-}
\ No newline at end of file
+}
diff --git a/cumulus/polkadot-parachains/res/statemint.json b/cumulus/polkadot-parachains/res/statemint.json
index 5807c84dfb5f699fe617b5b4177a97d1572b5cef..98714d5fd1d4bb877cd5d1e38440edc06f7b923a 100755
--- a/cumulus/polkadot-parachains/res/statemint.json
+++ b/cumulus/polkadot-parachains/res/statemint.json
@@ -13,7 +13,6 @@
   "relay_chain": "rococo",
   "para_id": 1,
   "consensusEngine": null,
-  "lightSyncState": null,
   "genesis": {
     "raw": {
       "top": {
diff --git a/cumulus/polkadot-parachains/res/tick.json b/cumulus/polkadot-parachains/res/tick.json
index 47e00132e18f320016a05bb670f9fc2720b72965..0bb0394b1953a7d826323b742852bab08cbd9058 100644
--- a/cumulus/polkadot-parachains/res/tick.json
+++ b/cumulus/polkadot-parachains/res/tick.json
@@ -18,7 +18,6 @@
   "relay_chain": "rococo",
   "para_id": 100,
   "consensusEngine": null,
-  "lightSyncState": null,
   "genesis": {
     "raw": {
       "top": {
diff --git a/cumulus/polkadot-parachains/res/track.json b/cumulus/polkadot-parachains/res/track.json
index 614c21b4eafedcbdccc0787789f5de14c2d08b07..1c70ce96b72b1b9e15b59b44205335d823102f79 100644
--- a/cumulus/polkadot-parachains/res/track.json
+++ b/cumulus/polkadot-parachains/res/track.json
@@ -18,7 +18,6 @@
   "relay_chain": "rococo",
   "para_id": 120,
   "consensusEngine": null,
-  "lightSyncState": null,
   "genesis": {
     "raw": {
       "top": {
diff --git a/cumulus/polkadot-parachains/res/trick.json b/cumulus/polkadot-parachains/res/trick.json
index d55288022b678a8e82360879e19da9e0ad938059..a3f29bfecfcb20a4c362c85e8451c18f2f350e08 100644
--- a/cumulus/polkadot-parachains/res/trick.json
+++ b/cumulus/polkadot-parachains/res/trick.json
@@ -18,7 +18,6 @@
   "relay_chain": "rococo",
   "para_id": 110,
   "consensusEngine": null,
-  "lightSyncState": null,
   "genesis": {
     "raw": {
       "top": {
diff --git a/cumulus/polkadot-parachains/res/westmint.json b/cumulus/polkadot-parachains/res/westmint.json
index 3c191c0b6e538efd28da658e23bd74bdaba15386..4e0af3393888f8a3af0a9bbdeba98a59fc6c2084 100644
--- a/cumulus/polkadot-parachains/res/westmint.json
+++ b/cumulus/polkadot-parachains/res/westmint.json
@@ -17,7 +17,6 @@
   },
   "para_id": 1000,
   "consensusEngine": null,
-  "lightSyncState": null,
   "genesis": {
     "raw": {
       "top": {
diff --git a/cumulus/polkadot-parachains/res/westmint_genesis.json b/cumulus/polkadot-parachains/res/westmint_genesis.json
index 90c30544767b8a2ab6ce6d3d1776d849785dc60f..ffd30fbe2de9c0722bd16d86e83ef64dd05f56f2 100644
--- a/cumulus/polkadot-parachains/res/westmint_genesis.json
+++ b/cumulus/polkadot-parachains/res/westmint_genesis.json
@@ -14,7 +14,6 @@
   "relay_chain": "westend",
   "para_id": 1000,
   "consensusEngine": null,
-  "lightSyncState": null,
   "codeSubstitutes": {},
   "genesis": {
     "raw": {
@@ -75,4 +74,4 @@
       "childrenDefault": {}
     }
   }
-}
\ No newline at end of file
+}