diff --git a/benchmarks/iperf/src/opnsense/mvc/app/controllers/OPNsense/iperf/forms/instance_settings.xml b/benchmarks/iperf/src/opnsense/mvc/app/controllers/OPNsense/iperf/forms/instance_settings.xml
index 3d03b1aa6..5b5d1f70b 100644
--- a/benchmarks/iperf/src/opnsense/mvc/app/controllers/OPNsense/iperf/forms/instance_settings.xml
+++ b/benchmarks/iperf/src/opnsense/mvc/app/controllers/OPNsense/iperf/forms/instance_settings.xml
@@ -3,7 +3,6 @@
       <id>instance.interface</id>
       <label>Interface</label>
       <type>dropdown</type>
-      <multiple>N</multiple>
       <help>Choose the interface on which the port should be opened.</help>
    </field>
 </form>
diff --git a/net/mdns-repeater/src/opnsense/mvc/app/controllers/OPNsense/MDNSRepeater/forms/general.xml b/net/mdns-repeater/src/opnsense/mvc/app/controllers/OPNsense/MDNSRepeater/forms/general.xml
index ef144e028..e6a87140e 100644
--- a/net/mdns-repeater/src/opnsense/mvc/app/controllers/OPNsense/MDNSRepeater/forms/general.xml
+++ b/net/mdns-repeater/src/opnsense/mvc/app/controllers/OPNsense/MDNSRepeater/forms/general.xml
@@ -9,7 +9,6 @@
       <id>mdnsrepeater.interfaces</id>
       <label>Listen Interfaces</label>
       <type>select_multiple</type>
-      <multiple>Y</multiple>
       <help>At least two interfaces must be selected.</help>
    </field>
 </form>