diff --git a/coordinator/diskencryption/diskencryption.go b/coordinator/internal/diskencryption/diskencryption.go
similarity index 100%
rename from coordinator/diskencryption/diskencryption.go
rename to coordinator/internal/diskencryption/diskencryption.go
diff --git a/coordinator/diskencryption/diskencryption_test.go b/coordinator/internal/diskencryption/diskencryption_test.go
similarity index 100%
rename from coordinator/diskencryption/diskencryption_test.go
rename to coordinator/internal/diskencryption/diskencryption_test.go
diff --git a/coordinator/internal/initserver/initserver.go b/coordinator/internal/initserver/initserver.go
index fc5d90624..117e6b880 100644
--- a/coordinator/internal/initserver/initserver.go
+++ b/coordinator/internal/initserver/initserver.go
@@ -8,8 +8,8 @@ import (
 	"sync"
 
 	"github.com/edgelesssys/constellation/coordinator/config"
-	"github.com/edgelesssys/constellation/coordinator/diskencryption"
 	"github.com/edgelesssys/constellation/coordinator/initproto"
+	"github.com/edgelesssys/constellation/coordinator/internal/diskencryption"
 	"github.com/edgelesssys/constellation/coordinator/internal/kubernetes"
 	"github.com/edgelesssys/constellation/coordinator/nodestate"
 	"github.com/edgelesssys/constellation/coordinator/role"
diff --git a/coordinator/internal/joinclient/client.go b/coordinator/internal/joinclient/client.go
index f7fe845d0..9f66ef955 100644
--- a/coordinator/internal/joinclient/client.go
+++ b/coordinator/internal/joinclient/client.go
@@ -10,7 +10,7 @@ import (
 	"time"
 
 	"github.com/edgelesssys/constellation/activation/activationproto"
-	"github.com/edgelesssys/constellation/coordinator/diskencryption"
+	"github.com/edgelesssys/constellation/coordinator/internal/diskencryption"
 	"github.com/edgelesssys/constellation/coordinator/nodestate"
 	"github.com/edgelesssys/constellation/coordinator/role"
 	"github.com/edgelesssys/constellation/internal/cloud/metadata"
diff --git a/coordinator/util/util.go b/coordinator/util/util.go
index 5d863ca38..37b8ccb08 100644
--- a/coordinator/util/util.go
+++ b/coordinator/util/util.go
@@ -3,7 +3,6 @@ package util
 import (
 	"crypto/rand"
 	"crypto/sha256"
-	"fmt"
 	"io"
 	"math/big"
 	"net"
@@ -49,22 +48,3 @@ func GetIPAddr() (string, error) {
 
 	return localAddr.IP.String(), nil
 }
-
-func GetInterfaceIP(netInterface string) (string, error) {
-	netif, err := net.InterfaceByName(netInterface)
-	if err != nil {
-		return "", fmt.Errorf("finding interface %s: %w", netInterface, err)
-	}
-	addrs, err := netif.Addrs()
-	if err != nil {
-		return "", fmt.Errorf("retrieving interface ip addresses %s: %w", netInterface, err)
-	}
-	for _, addr := range addrs {
-		if ipn, ok := addr.(*net.IPNet); ok {
-			if ip := ipn.IP.To4(); ip != nil {
-				return ip.String(), nil
-			}
-		}
-	}
-	return "", fmt.Errorf("interface %s don't have an ipv4 address", netInterface)
-}