diff --git a/internal/controller/suite_test.go b/internal/controller/suite_test.go
index cbb4b5a7..cf5f9e27 100644
--- a/internal/controller/suite_test.go
+++ b/internal/controller/suite_test.go
@@ -60,10 +60,6 @@ var (
 	ctx          = ctrl.SetupSignalHandler()
 )
 
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
 func TestMain(m *testing.M) {
 
 	utilruntime.Must(imagev1.AddToScheme(scheme.Scheme))
diff --git a/internal/policy/numerical_test.go b/internal/policy/numerical_test.go
index 497c7900..ba6fefac 100644
--- a/internal/policy/numerical_test.go
+++ b/internal/policy/numerical_test.go
@@ -19,7 +19,6 @@ package policy
 import (
 	"math/rand"
 	"testing"
-	"time"
 )
 
 func TestNewNumerical(t *testing.T) {
@@ -146,7 +145,6 @@ func TestNumerical_Latest(t *testing.T) {
 }
 
 func shuffle(list []string) []string {
-	rand.Seed(time.Now().UnixNano())
 	rand.Shuffle(len(list), func(i, j int) { list[i], list[j] = list[j], list[i] })
 	return list
 }
diff --git a/internal/secret/secret.go b/internal/secret/secret.go
index 1108e0cc..41e372a1 100644
--- a/internal/secret/secret.go
+++ b/internal/secret/secret.go
@@ -201,7 +201,7 @@ func parseAuthMap(config dockerConfig) (map[string]authn.AuthConfig, error) {
 
 func getURLHost(urlStr string) (string, error) {
 	if urlStr == "http://" || urlStr == "https://" {
-		return "", errors.New("Empty url")
+		return "", errors.New("empty url")
 	}
 
 	// ensure url has https:// or http:// prefix
@@ -220,9 +220,9 @@ func getURLHost(urlStr string) (string, error) {
 	}
 
 	if u.Host == "" {
-		return "", errors.New(fmt.Sprintf(
-			"Invalid registry auth key: %s. Expected an HTTPS URL (e.g. 'https://index.docker.io/v2/' or 'https://index.docker.io'), or the same without the 'https://' (e.g., 'index.docker.io/v2/' or 'index.docker.io')",
-			urlStr))
+		return "", fmt.Errorf(
+			"expected an HTTPS URL instead of '%s' (e.g. 'https://index.docker.io/v2/' or 'https://index.docker.io'), or the same without 'https://' (e.g., 'index.docker.io/v2/' or 'index.docker.io')",
+			urlStr)
 	}
 
 	return u.Host, nil
diff --git a/tests/integration/suite_test.go b/tests/integration/suite_test.go
index c9b37ac0..cd84084b 100644
--- a/tests/integration/suite_test.go
+++ b/tests/integration/suite_test.go
@@ -112,10 +112,6 @@ type ProviderConfig struct {
 	pushFluxTestImages pushTestImages
 }
 
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
 var letterRunes = []rune("abcdefghijklmnopqrstuvwxyz1234567890")
 
 func randStringRunes(n int) string {