diff --git a/rpc/jsonrpc/types/chainsvrwscmds.go b/rpc/jsonrpc/types/chainsvrwscmds.go
index a1c81d69..24d78b75 100644
--- a/rpc/jsonrpc/types/chainsvrwscmds.go
+++ b/rpc/jsonrpc/types/chainsvrwscmds.go
@@ -111,17 +111,6 @@ func NewNotifyNewTicketsCmd() *NotifyNewTicketsCmd {
 	return &NotifyNewTicketsCmd{}
 }
 
-// NotifyStakeDifficultyCmd is a type handling custom marshaling and
-// unmarshaling of notifystakedifficulty JSON websocket extension
-// commands.
-type NotifyStakeDifficultyCmd struct {
-}
-
-// NewNotifyStakeDifficultyCmd creates a new NotifyStakeDifficultyCmd.
-func NewNotifyStakeDifficultyCmd() *NotifyStakeDifficultyCmd {
-	return &NotifyStakeDifficultyCmd{}
-}
-
 // RebroadcastMissedCmd is a type handling custom marshaling and
 // unmarshaling of rebroadcastmissed JSON RPC commands.
 type RebroadcastMissedCmd struct{}
@@ -228,12 +217,8 @@ func init() {
 	dcrjson.MustRegister(Method("notifytspend"), (*NotifyTSpendCmd)(nil), flags)
 	dcrjson.MustRegister(Method("notifynewtransactions"), (*NotifyNewTransactionsCmd)(nil), flags)
 	dcrjson.MustRegister(Method("notifynewtickets"), (*NotifyNewTicketsCmd)(nil), flags)
-	dcrjson.MustRegister(Method("notifyspentandmissedtickets"),
-		(*NotifySpentAndMissedTicketsCmd)(nil), flags)
-	dcrjson.MustRegister(Method("notifystakedifficulty"),
-		(*NotifyStakeDifficultyCmd)(nil), flags)
-	dcrjson.MustRegister(Method("notifywinningtickets"),
-		(*NotifyWinningTicketsCmd)(nil), flags)
+	dcrjson.MustRegister(Method("notifyspentandmissedtickets"), (*NotifySpentAndMissedTicketsCmd)(nil), flags)
+	dcrjson.MustRegister(Method("notifywinningtickets"), (*NotifyWinningTicketsCmd)(nil), flags)
 	dcrjson.MustRegister(Method("rebroadcastmissed"), (*RebroadcastMissedCmd)(nil), flags)
 	dcrjson.MustRegister(Method("rebroadcastwinners"), (*RebroadcastWinnersCmd)(nil), flags)
 	dcrjson.MustRegister(Method("session"), (*SessionCmd)(nil), flags)
diff --git a/rpc/jsonrpc/types/chainsvrwscmds_test.go b/rpc/jsonrpc/types/chainsvrwscmds_test.go
index 957adfb9..0ad900ff 100644
--- a/rpc/jsonrpc/types/chainsvrwscmds_test.go
+++ b/rpc/jsonrpc/types/chainsvrwscmds_test.go
@@ -74,17 +74,6 @@ func TestChainSvrWsCmds(t *testing.T) {
 			marshalled:   `{"jsonrpc":"1.0","method":"notifynewtickets","params":[],"id":1}`,
 			unmarshalled: &NotifyNewTicketsCmd{},
 		},
-		{
-			name: "notifystakedifficulty",
-			newCmd: func() (interface{}, error) {
-				return dcrjson.NewCmd(Method("notifystakedifficulty"))
-			},
-			staticCmd: func() interface{} {
-				return NewNotifyStakeDifficultyCmd()
-			},
-			marshalled:   `{"jsonrpc":"1.0","method":"notifystakedifficulty","params":[],"id":1}`,
-			unmarshalled: &NotifyStakeDifficultyCmd{},
-		},
 		{
 			name: "notifyblocks",
 			newCmd: func() (interface{}, error) {
diff --git a/rpc/jsonrpc/types/chainsvrwsntfns.go b/rpc/jsonrpc/types/chainsvrwsntfns.go
index ffceed86..074be7f3 100644
--- a/rpc/jsonrpc/types/chainsvrwsntfns.go
+++ b/rpc/jsonrpc/types/chainsvrwsntfns.go
@@ -53,10 +53,6 @@ const (
 	// spentandmissedtickets notification.
 	SpentAndMissedTicketsNtfnMethod Method = "spentandmissedtickets"
 
-	// StakeDifficultyNtfnMethod is the method of the daemon stakedifficulty
-	// notification.
-	StakeDifficultyNtfnMethod Method = "stakedifficulty"
-
 	// WinningTicketsNtfnMethod is the method of the daemon winningtickets
 	// notification.
 	WinningTicketsNtfnMethod Method = "winningtickets"
@@ -177,23 +173,6 @@ func NewSpentAndMissedTicketsNtfn(hash string, height int32, stakeDiff int64, ti
 	}
 }
 
-// StakeDifficultyNtfn is a type handling custom marshaling and
-// unmarshaling of stakedifficulty JSON websocket notifications.
-type StakeDifficultyNtfn struct {
-	BlockHash   string
-	BlockHeight int32
-	StakeDiff   int64
-}
-
-// NewStakeDifficultyNtfn creates a new StakeDifficultyNtfn.
-func NewStakeDifficultyNtfn(hash string, height int32, stakeDiff int64) *StakeDifficultyNtfn {
-	return &StakeDifficultyNtfn{
-		BlockHash:   hash,
-		BlockHeight: height,
-		StakeDiff:   stakeDiff,
-	}
-}
-
 // TxAcceptedNtfn defines the txaccepted JSON-RPC notification.
 type TxAcceptedNtfn struct {
 	TxID   string  `json:"txid"`
@@ -266,6 +245,5 @@ func init() {
 	dcrjson.MustRegister(TxAcceptedVerboseNtfnMethod, (*TxAcceptedVerboseNtfn)(nil), flags)
 	dcrjson.MustRegister(RelevantTxAcceptedNtfnMethod, (*RelevantTxAcceptedNtfn)(nil), flags)
 	dcrjson.MustRegister(SpentAndMissedTicketsNtfnMethod, (*SpentAndMissedTicketsNtfn)(nil), flags)
-	dcrjson.MustRegister(StakeDifficultyNtfnMethod, (*StakeDifficultyNtfn)(nil), flags)
 	dcrjson.MustRegister(WinningTicketsNtfnMethod, (*WinningTicketsNtfn)(nil), flags)
 }