diff --git a/Makefile b/Makefile
index 4a8d91e9..677be1bb 100644
--- a/Makefile
+++ b/Makefile
@@ -94,7 +94,7 @@ DOCKER_TOOLS = docker run \
   -v $(shell bash -c "mkdir -p /tmp/go-lint-cache; echo /tmp/go-lint-cache"):/root/.cache/golangci-lint \
   -v $$(pwd):/build litd-tools
 
-ITEST_TAGS := integration itest $(LND_RELEASE_TAGS)
+ITEST_TAGS := dev integration itest lowscrypt $(LND_RELEASE_TAGS)
 ITEST_LDFLAGS := $(call make_ldflags, $(ITEST_TAGS))
 
 GREEN := "\\033[0;32m"
diff --git a/perms/mock.go b/perms/mock.go
index 06b6ee1d..d4fea281 100644
--- a/perms/mock.go
+++ b/perms/mock.go
@@ -1,3 +1,6 @@
+//go:build !dev
+// +build !dev
+
 package perms
 
 import (
diff --git a/perms/mock_dev.go b/perms/mock_dev.go
new file mode 100644
index 00000000..52289f1c
--- /dev/null
+++ b/perms/mock_dev.go
@@ -0,0 +1,94 @@
+//go:build dev
+// +build dev
+
+package perms
+
+import (
+	"net"
+
+	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/lightningnetwork/lnd/autopilot"
+	"github.com/lightningnetwork/lnd/chainreg"
+	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/lnrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/autopilotrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/chainrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/devrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/invoicesrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/neutrinorpc"
+	"github.com/lightningnetwork/lnd/lnrpc/peersrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/signrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/walletrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/watchtowerrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/wtclientrpc"
+	"github.com/lightningnetwork/lnd/lntest/mock"
+	"github.com/lightningnetwork/lnd/routing"
+	"github.com/lightningnetwork/lnd/sweep"
+)
+
+// mockConfig implements lnrpc.SubServerConfigDispatcher. It provides the
+// functionality required so that the lnrpc.GrpcHandler.CreateSubServer
+// function can be called without panicking.
+type mockConfig struct{}
+
+var _ lnrpc.SubServerConfigDispatcher = (*mockConfig)(nil)
+
+// FetchConfig is a mock implementation of lnrpc.SubServerConfigDispatcher. It
+// is used as a parameter to lnrpc.GrpcHandler.CreateSubServer and allows the
+// function to be called without panicking. This is useful because
+// CreateSubServer can be used to extract the permissions required by each
+// registered subserver.
+//
+// TODO(elle): remove this once the sub-server permission lists in LND have been
+// exported
+func (t *mockConfig) FetchConfig(subServerName string) (interface{}, bool) {
+	switch subServerName {
+	case "InvoicesRPC":
+		return &invoicesrpc.Config{}, true
+	case "WatchtowerClientRPC":
+		return &wtclientrpc.Config{
+			Resolver: func(_, _ string) (*net.TCPAddr, error) {
+				return nil, nil
+			},
+		}, true
+	case "AutopilotRPC":
+		return &autopilotrpc.Config{
+			Manager: &autopilot.Manager{},
+		}, true
+	case "ChainRPC":
+		return &chainrpc.Config{
+			ChainNotifier: &chainreg.NoChainBackend{},
+			Chain:         &mock.ChainIO{},
+		}, true
+	case "DevRPC":
+		return &devrpc.Config{
+			ActiveNetParams: &chaincfg.RegressionNetParams,
+			GraphDB:         &channeldb.ChannelGraph{},
+		}, true
+	case "NeutrinoKitRPC":
+		return &neutrinorpc.Config{}, true
+	case "PeersRPC":
+		return &peersrpc.Config{}, true
+	case "RouterRPC":
+		return &routerrpc.Config{
+			Router: &routing.ChannelRouter{},
+		}, true
+	case "SignRPC":
+		return &signrpc.Config{
+			Signer: &mock.DummySigner{},
+		}, true
+	case "WalletKitRPC":
+		return &walletrpc.Config{
+			FeeEstimator: &chainreg.NoChainBackend{},
+			Wallet:       &mock.WalletController{},
+			KeyRing:      &mock.SecretKeyRing{},
+			Sweeper:      &sweep.UtxoSweeper{},
+			Chain:        &mock.ChainIO{},
+		}, true
+	case "WatchtowerRPC":
+		return &watchtowerrpc.Config{}, true
+	default:
+		return nil, false
+	}
+}