diff --git a/mennekes/amtronecudiscovery.cpp b/mennekes/amtronecudiscovery.cpp
index e97d17a..27c3eaa 100644
--- a/mennekes/amtronecudiscovery.cpp
+++ b/mennekes/amtronecudiscovery.cpp
@@ -64,10 +64,6 @@ QList<AmtronECUDiscovery::Result> AmtronECUDiscovery::discoveryResults() const
 
 void AmtronECUDiscovery::checkNetworkDevice(const NetworkDeviceInfo &networkDeviceInfo)
 {
-    if (networkDeviceInfo.macAddressManufacturer() != "GIGA-BYTE TECHNOLOGY CO.,LTD.") {
-        return;
-    }
-
     int port = 502;
     int slaveId = 0xff;
     qCDebug(dcMennekes()) << "Checking network device:" << networkDeviceInfo << "Port:" << port << "Slave ID:" << slaveId;
diff --git a/mennekes/amtronhcc3discovery.cpp b/mennekes/amtronhcc3discovery.cpp
index 81104d6..873e1e9 100644
--- a/mennekes/amtronhcc3discovery.cpp
+++ b/mennekes/amtronhcc3discovery.cpp
@@ -64,10 +64,6 @@ QList<AmtronHCC3Discovery::AmtronDiscoveryResult> AmtronHCC3Discovery::discovery
 
 void AmtronHCC3Discovery::checkNetworkDevice(const NetworkDeviceInfo &networkDeviceInfo)
 {
-    if (networkDeviceInfo.macAddressManufacturer() != "GIGA-BYTE TECHNOLOGY CO.,LTD.") {
-        return;
-    }
-
     int port = 502;
     int slaveId = 0xff;
     qCDebug(dcMennekes()) << "Checking network device:" << networkDeviceInfo << "Port:" << port << "Slave ID:" << slaveId;