diff --git a/doctests/cmds_hash_test.go b/doctests/cmds_hash_test.go
index 8a4fdec4..7241bca4 100644
--- a/doctests/cmds_hash_test.go
+++ b/doctests/cmds_hash_test.go
@@ -79,7 +79,7 @@ func ExampleClient_hset() {
 
 	keys := make([]string, 0, len(res6))
 
-	for key, _ := range res6 {
+	for key := range res6 {
 		keys = append(keys, key)
 	}
 
@@ -186,7 +186,7 @@ func ExampleClient_hgetall() {
 
 	keys := make([]string, 0, len(hGetAllResult2))
 
-	for key, _ := range hGetAllResult2 {
+	for key := range hGetAllResult2 {
 		keys = append(keys, key)
 	}
 
diff --git a/hset_benchmark_test.go b/hset_benchmark_test.go
index df163435..8d141f41 100644
--- a/hset_benchmark_test.go
+++ b/hset_benchmark_test.go
@@ -86,7 +86,7 @@ func benchmarkHSETOperations(b *testing.B, rdb *redis.Client, ctx context.Contex
 				b.Fatalf("HSET operation failed: %v", err)
 			}
 		}
-		totalTimes = append(totalTimes, time.Now().Sub(startTime))
+		totalTimes = append(totalTimes, time.Since(startTime))
 	}
 
 	// Stop the timer to calculate metrics
@@ -164,7 +164,7 @@ func benchmarkHSETPipelined(b *testing.B, rdb *redis.Client, ctx context.Context
 		if err != nil {
 			b.Fatalf("Pipeline execution failed: %v", err)
 		}
-		totalTimes = append(totalTimes, time.Now().Sub(startTime))
+		totalTimes = append(totalTimes, time.Since(startTime))
 	}
 
 	b.StopTimer()
diff --git a/maintnotifications/e2e/utils_test.go b/maintnotifications/e2e/utils_test.go
index a60fac89..0aef84de 100644
--- a/maintnotifications/e2e/utils_test.go
+++ b/maintnotifications/e2e/utils_test.go
@@ -43,13 +43,6 @@ func containsSubstring(s, substr string) bool {
 	return false
 }
 
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
-
 func printLog(group string, isError bool, format string, args ...interface{}) {
 	_, filename, line, _ := runtime.Caller(2)
 	filename = filepath.Base(filename)
diff --git a/push/push_test.go b/push/push_test.go
index 69126f30..b98b5f16 100644
--- a/push/push_test.go
+++ b/push/push_test.go
@@ -144,7 +144,7 @@ func TestRegistry(t *testing.T) {
 	t.Run("NewRegistry", func(t *testing.T) {
 		registry := NewRegistry()
 		if registry == nil {
-			t.Error("NewRegistry should not return nil")
+			t.Fatal("NewRegistry should not return nil")
 		}
 
 		if registry.handlers == nil {
@@ -407,7 +407,7 @@ func TestProcessor(t *testing.T) {
 	t.Run("NewProcessor", func(t *testing.T) {
 		processor := NewProcessor()
 		if processor == nil {
-			t.Error("NewProcessor should not return nil")
+			t.Fatal("NewProcessor should not return nil")
 		}
 
 		if processor.registry == nil {