diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 837a793..6ecddeb 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -1,16 +1,32 @@
 name: Test
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+permissions:
+  contents: read
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go
-        uses: actions/setup-go@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
         with:
-          go-version: 1.21
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
-      - name: Get dependencies
-        run: go mod download
-      - name: Test
-        run: go test -v -race ./...
+          go-version-file: "./go.mod"
+      - run: go test -v -race ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version-file: "./go.mod"
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          # Require: The version of golangci-lint to use.
+          # When `install-mode` is `binary` (default) the value can be v1.2 or v1.2.3 or `latest` to use the latest version.
+          # When `install-mode` is `goinstall` the value can be v1.2.3, `latest`, or the hash of a commit.
+          version: v1.54
diff --git a/backend.go b/backend.go
index 01b6ee3..768690b 100644
--- a/backend.go
+++ b/backend.go
@@ -97,14 +97,6 @@ func (b *Backend) AddMatchFunction(profile *pb.MatchProfile, mmf MatchFunction)
 func (b *Backend) Start(ctx context.Context, tickRate time.Duration) error {
 	ticker := time.NewTicker(tickRate)
 	defer ticker.Stop()
-
-	b.mmfMu.RLock()
-	mmfs := b.mmfs
-	b.mmfMu.RUnlock()
-	profiles := make([]string, 0, len(mmfs))
-	for profile := range mmfs {
-		profiles = append(profiles, profile.Name)
-	}
 	for {
 		select {
 		case <-ctx.Done():
diff --git a/filter.go b/filter.go
index f65ed8b..5c69009 100644
--- a/filter.go
+++ b/filter.go
@@ -72,7 +72,6 @@ func (pf *poolFilter) In(entity filteredEntity) bool {
 					return false
 				}
 			}
-		} else {
 		}
 	}
 
diff --git a/pkg/statestore/redis.go b/pkg/statestore/redis.go
index 2da06df..933f4e9 100644
--- a/pkg/statestore/redis.go
+++ b/pkg/statestore/redis.go
@@ -356,6 +356,7 @@ func (s *RedisStore) deIndexTickets(ticketIDs []string) []rueidis.Completed {
 	}
 }
 
+//nolint:unused
 func (s *RedisStore) releaseTimeoutTicketsByNow(ctx context.Context) error {
 	return s.releaseTimeoutTickets(ctx, time.Now().Add(-s.opts.pendingReleaseTimeout))
 }
diff --git a/pkg/statestore/ticketcache_test.go b/pkg/statestore/ticketcache_test.go
index 658369b..fc2a6b0 100644
--- a/pkg/statestore/ticketcache_test.go
+++ b/pkg/statestore/ticketcache_test.go
@@ -33,6 +33,6 @@ func TestTicketCache(t *testing.T) {
 
 	time.Sleep(ttl + 10*time.Millisecond)
 
-	t1, err = store.GetTicket(ctx, "t1")
+	_, err = store.GetTicket(ctx, "t1")
 	require.Error(t, err, ErrTicketNotFound)
 }
diff --git a/tests/intergration_test.go b/tests/intergration_test.go
index 7a22033..ae25f88 100644
--- a/tests/intergration_test.go
+++ b/tests/intergration_test.go
@@ -54,20 +54,20 @@ func TestFrontend(t *testing.T) {
 	c := s.DialFrontend(t)
 	ctx := context.Background()
 
-	resp, err := c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: "invalid"})
+	_, err := c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: "invalid"})
 	require.Error(t, err)
 	requireErrorCode(t, err, codes.NotFound)
 
 	t1 := mustCreateTicket(ctx, t, c, &pb.Ticket{})
 
-	resp, err = c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: t1.Id})
+	resp, err := c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: t1.Id})
 	require.NoError(t, err)
 	require.Equal(t, resp.Id, t1.Id)
 
 	_, err = c.DeleteTicket(ctx, &pb.DeleteTicketRequest{TicketId: t1.Id})
 	require.NoError(t, err)
 
-	resp, err = c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: t1.Id})
+	_, err = c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: t1.Id})
 	requireErrorCode(t, err, codes.NotFound)
 }