diff --git a/XDCx/XDCx.go b/XDCx/XDCx.go
index 60a73455eb..478366738c 100644
--- a/XDCx/XDCx.go
+++ b/XDCx/XDCx.go
@@ -144,7 +144,6 @@ func (XDCx *XDCX) APIs() []rpc.API {
 	return []rpc.API{
 		{
 			Namespace: ProtocolName,
-			Version:   ProtocolVersionStr,
 			Service:   NewPublicXDCXAPI(XDCx),
 		},
 	}
diff --git a/XDCxlending/XDCxlending.go b/XDCxlending/XDCxlending.go
index 80cc74415d..d0093dc151 100644
--- a/XDCxlending/XDCxlending.go
+++ b/XDCxlending/XDCxlending.go
@@ -90,7 +90,6 @@ func (l *Lending) APIs() []rpc.API {
 	return []rpc.API{
 		{
 			Namespace: ProtocolName,
-			Version:   ProtocolVersionStr,
 			Service:   NewPublicXDCXLendingAPI(l),
 		},
 	}
diff --git a/consensus/XDPoS/XDPoS.go b/consensus/XDPoS/XDPoS.go
index 04114bcd1c..856021c632 100644
--- a/consensus/XDPoS/XDPoS.go
+++ b/consensus/XDPoS/XDPoS.go
@@ -174,7 +174,6 @@ func (x *XDPoS) Initial(chain consensus.ChainReader, header *types.Header) error
 func (x *XDPoS) APIs(chain consensus.ChainReader) []rpc.API {
 	return []rpc.API{{
 		Namespace: "XDPoS",
-		Version:   "1.0",
 		Service:   &API{chain: chain, XDPoS: x},
 	}}
 }
diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go
index f3a5773b51..c69ada37d1 100644
--- a/consensus/clique/clique.go
+++ b/consensus/clique/clique.go
@@ -693,7 +693,6 @@ func CalcDifficulty(snap *Snapshot, signer common.Address) *big.Int {
 func (c *Clique) APIs(chain consensus.ChainReader) []rpc.API {
 	return []rpc.API{{
 		Namespace: "clique",
-		Version:   "1.0",
 		Service:   &API{chain: chain, clique: c},
 	}}
 }
diff --git a/eth/backend.go b/eth/backend.go
index 9556ea07dc..e7f459916b 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -400,39 +400,30 @@ func (e *Ethereum) APIs() []rpc.API {
 	return append(apis, []rpc.API{
 		{
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   NewPublicEthereumAPI(e),
 		}, {
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   NewPublicMinerAPI(e),
 		}, {
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   downloader.NewPublicDownloaderAPI(e.protocolManager.downloader, e.eventMux),
 		}, {
 			Namespace: "miner",
-			Version:   "1.0",
 			Service:   NewPrivateMinerAPI(e),
 		}, {
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   filters.NewFilterAPI(filters.NewFilterSystem(e.ApiBackend, filters.Config{LogCacheSize: e.config.FilterLogCacheSize}), false),
 		}, {
 			Namespace: "admin",
-			Version:   "1.0",
 			Service:   NewPrivateAdminAPI(e),
 		}, {
 			Namespace: "debug",
-			Version:   "1.0",
 			Service:   NewPublicDebugAPI(e),
 		}, {
 			Namespace: "debug",
-			Version:   "1.0",
 			Service:   NewPrivateDebugAPI(e.chainConfig, e),
 		}, {
 			Namespace: "net",
-			Version:   "1.0",
 			Service:   e.netRPCService,
 		},
 	}...)
diff --git a/internal/ethapi/backend.go b/internal/ethapi/backend.go
index 53bff4ab19..b1d81e64e7 100644
--- a/internal/ethapi/backend.go
+++ b/internal/ethapi/backend.go
@@ -124,39 +124,30 @@ func GetAPIs(apiBackend Backend, chainReader consensus.ChainReader) []rpc.API {
 	return []rpc.API{
 		{
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   NewPublicEthereumAPI(apiBackend),
 		}, {
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   NewPublicBlockChainAPI(apiBackend, chainReader),
 		}, {
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   NewPublicTransactionPoolAPI(apiBackend, nonceLock),
 		}, {
 			Namespace: "XDCx",
-			Version:   "1.0",
 			Service:   NewPublicXDCXTransactionPoolAPI(apiBackend, nonceLock),
 		}, {
 			Namespace: "txpool",
-			Version:   "1.0",
 			Service:   NewPublicTxPoolAPI(apiBackend),
 		}, {
 			Namespace: "debug",
-			Version:   "1.0",
 			Service:   NewPublicDebugAPI(apiBackend),
 		}, {
 			Namespace: "debug",
-			Version:   "1.0",
 			Service:   NewPrivateDebugAPI(apiBackend),
 		}, {
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   NewPublicAccountAPI(apiBackend.AccountManager()),
 		}, {
 			Namespace: "personal",
-			Version:   "1.0",
 			Service:   NewPrivateAccountAPI(apiBackend, nonceLock),
 		},
 	}
diff --git a/node/api.go b/node/api.go
index 67fd03346a..47f6e27ab7 100644
--- a/node/api.go
+++ b/node/api.go
@@ -34,19 +34,15 @@ func (n *Node) apis() []rpc.API {
 	return []rpc.API{
 		{
 			Namespace: "admin",
-			Version:   "1.0",
 			Service:   &privateAdminAPI{n},
 		}, {
 			Namespace: "admin",
-			Version:   "1.0",
 			Service:   &publicAdminAPI{n},
 		}, {
 			Namespace: "debug",
-			Version:   "1.0",
 			Service:   debug.Handler,
 		}, {
 			Namespace: "web3",
-			Version:   "1.0",
 			Service:   &publicWeb3API{n},
 		},
 	}
diff --git a/p2p/simulations/adapters/exec.go b/p2p/simulations/adapters/exec.go
index 77d1305902..1123a54727 100644
--- a/p2p/simulations/adapters/exec.go
+++ b/p2p/simulations/adapters/exec.go
@@ -452,7 +452,6 @@ func execP2PNode() {
 	// Add the snapshot API.
 	stack.RegisterAPIs([]rpc.API{{
 		Namespace: "simulation",
-		Version:   "1.0",
 		Service:   SnapshotAPI{services},
 	}})
 
diff --git a/rpc/types.go b/rpc/types.go
index 62f173ae88..282775e82a 100644
--- a/rpc/types.go
+++ b/rpc/types.go
@@ -30,7 +30,7 @@ import (
 // API describes the set of methods offered over the RPC interface
 type API struct {
 	Namespace string      // namespace under which the rpc methods of Service are exposed
-	Version   string      // api version for DApp's
+	Version   string      // deprecated - this field is no longer used, but retained for compatibility
 	Service   interface{} // receiver instance which holds the methods
 	Public    bool        // deprecated - this field is no longer used, but retained for compatibility
 }