diff --git a/pkg/apis/applicationconfig/applicationconfig.go b/pkg/apis/applicationconfig/applicationconfig.go
index e50eb1b3..0769a890 100644
--- a/pkg/apis/applicationconfig/applicationconfig.go
+++ b/pkg/apis/applicationconfig/applicationconfig.go
@@ -6,7 +6,6 @@ import (
 	"reflect"
 	"strings"
 
-	"github.com/equinor/radix-common/utils/slice"
 	"github.com/equinor/radix-operator/pkg/apis/config/dnsalias"
 	"github.com/equinor/radix-operator/pkg/apis/kube"
 	radixv1 "github.com/equinor/radix-operator/pkg/apis/radix/v1"
@@ -152,10 +151,3 @@ func (app *ApplicationConfig) OnSync(ctx context.Context) error {
 
 	return nil
 }
-
-func (app *ApplicationConfig) getAppEnvNames() map[string]struct{} {
-	return slice.Reduce(app.config.Spec.Environments, make(map[string]struct{}), func(acc map[string]struct{}, env radixv1.Environment) map[string]struct{} {
-		acc[env.Name] = struct{}{}
-		return acc
-	})
-}
diff --git a/pkg/apis/applicationconfig/applicationconfig_test.go b/pkg/apis/applicationconfig/applicationconfig_test.go
index a6b943a9..0eacc02a 100644
--- a/pkg/apis/applicationconfig/applicationconfig_test.go
+++ b/pkg/apis/applicationconfig/applicationconfig_test.go
@@ -674,13 +674,6 @@ func Test_IsConfigBranch(t *testing.T) {
 	})
 }
 
-func convertToEnvMap(environmentList *radixv1.RadixEnvironmentList) map[string]radixv1.RadixEnvironment {
-	return slice.Reduce(environmentList.Items, make(map[string]radixv1.RadixEnvironment), func(acc map[string]radixv1.RadixEnvironment, environment radixv1.RadixEnvironment) map[string]radixv1.RadixEnvironment {
-		acc[environment.Spec.EnvName] = environment
-		return acc
-	})
-}
-
 func rrAsOwnerReference(rr *radixv1.RadixRegistration) []metav1.OwnerReference {
 	trueVar := true
 	return []metav1.OwnerReference{