Fix build

client/ssh/config/manager.go

@@ -434,12 +434,6 @@ func (m *Manager) UpdatePeerHostKeys(peerKeys []PeerHostKey) error {
 		return fmt.Errorf("setup known_hosts file: %w", err)
 	}
 
-	// Read existing entries
-	existingEntries, err := m.readKnownHosts(knownHostsPath)
-	if err != nil {
-		return fmt.Errorf("read existing known_hosts: %w", err)
-	}
-
 	// Build new entries map for efficient lookup
 	newEntries := make(map[string]string)
 	for _, peerKey := range peerKeys {
@@ -471,29 +465,6 @@ func (m *Manager) UpdatePeerHostKeys(peerKeys []PeerHostKey) error {
 	return nil
 }
 
-// readKnownHosts reads and returns all entries from the known_hosts file
-func (m *Manager) readKnownHosts(knownHostsPath string) ([]string, error) {
-	file, err := os.Open(knownHostsPath)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return []string{}, nil
-		}
-		return nil, fmt.Errorf("open known_hosts file: %w", err)
-	}
-	defer file.Close()
-
-	var entries []string
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-		if line != "" && !strings.HasPrefix(line, "#") {
-			entries = append(entries, line)
-		}
-	}
-
-	return entries, scanner.Err()
-}
-
 // formatKnownHostsEntry formats a peer host key as a known_hosts entry
 func (m *Manager) formatKnownHostsEntry(peerKey PeerHostKey) string {
 	hostnames := m.getHostnameVariants(peerKey)

client/ssh/config/manager_test.go

@@ -144,27 +144,6 @@ func TestManager_GetHostnameVariants(t *testing.T) {
 	assert.ElementsMatch(t, expectedVariants, variants)
 }
 
-func TestManager_IsNetBirdEntry(t *testing.T) {
-	manager := NewManager()
-
-	tests := []struct {
-		entry    string
-		expected bool
-	}{
-		{"100.125.1.1 ssh-ed25519 AAAAC3...", true},
-		{"peer.nb.internal ssh-rsa AAAAB3...", true},
-		{"test.netbird.com ssh-ed25519 AAAAC3...", true},
-		{"github.com ssh-rsa AAAAB3...", false},
-		{"192.168.1.1 ssh-ed25519 AAAAC3...", false},
-		{"example.com ssh-rsa AAAAB3...", false},
-	}
-
-	for _, test := range tests {
-		result := manager.isNetBirdEntry(test.entry)
-		assert.Equal(t, test.expected, result, "Entry: %s", test.entry)
-	}
-}
-
 func TestManager_FormatKnownHostsEntry(t *testing.T) {
 	manager := NewManager()