diff --git a/cmd/promtool/rules_test.go b/cmd/promtool/rules_test.go
index ac326841f..4afae2c9f 100644
--- a/cmd/promtool/rules_test.go
+++ b/cmd/promtool/rules_test.go
@@ -91,7 +91,7 @@ func TestBackfillRuleIntegration(t *testing.T) {
 				group1 := ruleImporter.groups[path1+";group0"]
 				require.NotNil(t, group1)
 				const defaultInterval = 60
-				require.Equal(t, time.Duration(defaultInterval*time.Second), group1.Interval())
+				require.Equal(t, defaultInterval*time.Second, group1.Interval())
 				gRules := group1.Rules()
 				require.Equal(t, 1, len(gRules))
 				require.Equal(t, "rule1", gRules[0].Name())
@@ -100,7 +100,7 @@ func TestBackfillRuleIntegration(t *testing.T) {
 
 				group2 := ruleImporter.groups[path2+";group2"]
 				require.NotNil(t, group2)
-				require.Equal(t, time.Duration(defaultInterval*time.Second), group2.Interval())
+				require.Equal(t, defaultInterval*time.Second, group2.Interval())
 				g2Rules := group2.Rules()
 				require.Equal(t, 2, len(g2Rules))
 				require.Equal(t, "grp2_rule1", g2Rules[0].Name())
diff --git a/cmd/promtool/unittest.go b/cmd/promtool/unittest.go
index e06c6c861..3ddec3152 100644
--- a/cmd/promtool/unittest.go
+++ b/cmd/promtool/unittest.go
@@ -255,7 +255,7 @@ func (tg *testGroup) test(evalInterval time.Duration, groupOrderMap map[string]i
 
 		for {
 			if !(curr < len(alertEvalTimes) && ts.Sub(mint) <= time.Duration(alertEvalTimes[curr]) &&
-				time.Duration(alertEvalTimes[curr]) < ts.Add(time.Duration(evalInterval)).Sub(mint)) {
+				time.Duration(alertEvalTimes[curr]) < ts.Add(evalInterval).Sub(mint)) {
 				break
 			}
 
diff --git a/discovery/consul/consul.go b/discovery/consul/consul.go
index 3416d86d6..19dc9ecca 100644
--- a/discovery/consul/consul.go
+++ b/discovery/consul/consul.go
@@ -199,7 +199,7 @@ func NewDiscovery(conf *SDConfig, logger log.Logger) (*Discovery, error) {
 		logger = log.NewNopLogger()
 	}
 
-	wrapper, err := config.NewClientFromConfig(conf.HTTPClientConfig, "consul_sd", config.WithHTTP2Disabled(), config.WithIdleConnTimeout(2*time.Duration(watchTimeout)))
+	wrapper, err := config.NewClientFromConfig(conf.HTTPClientConfig, "consul_sd", config.WithHTTP2Disabled(), config.WithIdleConnTimeout(2*watchTimeout))
 	if err != nil {
 		return nil, err
 	}
diff --git a/storage/remote/queue_manager_test.go b/storage/remote/queue_manager_test.go
index fe976fc1b..ccca000df 100644
--- a/storage/remote/queue_manager_test.go
+++ b/storage/remote/queue_manager_test.go
@@ -295,10 +295,10 @@ func TestShutdown(t *testing.T) {
 	// be at least equal to deadline, otherwise the flush deadline
 	// was not respected.
 	duration := time.Since(start)
-	if duration > time.Duration(deadline+(deadline/10)) {
+	if duration > deadline+(deadline/10) {
 		t.Errorf("Took too long to shutdown: %s > %s", duration, deadline)
 	}
-	if duration < time.Duration(deadline) {
+	if duration < deadline {
 		t.Errorf("Shutdown occurred before flush deadline: %s < %s", duration, deadline)
 	}
 }