diff --git a/src/main/java/io/kokuwa/edge/esh/constants/maven/plugin/GenerateConstantsMojo.java b/src/main/java/io/kokuwa/edge/esh/constants/maven/plugin/GenerateConstantsMojo.java
index da6b6a2..915b799 100644
--- a/src/main/java/io/kokuwa/edge/esh/constants/maven/plugin/GenerateConstantsMojo.java
+++ b/src/main/java/io/kokuwa/edge/esh/constants/maven/plugin/GenerateConstantsMojo.java
@@ -40,6 +40,24 @@
 @Mojo(name = "generate-esh-constants", defaultPhase = LifecyclePhase.GENERATE_SOURCES)
 public class GenerateConstantsMojo extends AbstractMojo {
 
+	/**
+	 * property names which are already defined in org.eclipse.smarthome.core.thing.Thing
+	 */
+	private static final Set<String> STANDARD_PROPERTIES = Set.of(
+		/* the key for the vendor property */
+		"vendor",
+		/* the key for the model ID property */
+		"modelId",
+		/* the key for the serial number property */
+		"serialNumber",
+		/* the key for the hardware version property */
+		"hardwareVersion",
+		/* the key for the firmware version property */
+		"firmwareVersion",
+		/* the key for the MAC address property */
+		"macAddress"
+	);
+
 	@Parameter(property = "esh-constants.inputDirectory",
 			defaultValue = "${project.basedir}/src/main/resources/ESH-INF")
 	private String inputDirectory;
@@ -66,7 +84,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
 		final Map<String, String> constants = new LinkedHashMap<>();
 
 		Set<String> bindingIDs = scanDocuments(inputFiles, "//thing-descriptions/@bindingId");
-		Set<String> properties = scanDocuments(inputFiles, "//property/@name");
+		Set<String> properties = exclude(STANDARD_PROPERTIES, scanDocuments(inputFiles, "//property/@name"));
 		Set<String> thingTypeIDs = scanDocuments(inputFiles, "//thing-type/@id");
 		Set<String> bridgeTypeIDs = scanDocuments(inputFiles, "//bridge-type/@id");
 		Set<String> channelIDs = scanDocuments(inputFiles, "//channel/@id");
@@ -267,4 +285,15 @@ private void writeFile(Path path, String content) throws MojoExecutionException
 			throw new MojoExecutionException("Unable to write file: " + path, e);
 		}
 	}
+
+	/**
+	 * @param exclude the set of values to exclude
+	 * @param candidates the origin value set
+	 * @return a copy of candidates with all values from exclude removed
+	 */
+	private static Set<String> exclude(Set<String> exclude, Set<String> candidates) {
+		return candidates.stream()
+			.filter(candidate -> !exclude.contains(candidate))
+			.collect(Collectors.toSet());
+	}
 }
diff --git a/src/test/resources/ESH-INF/thing/thing-types.xml b/src/test/resources/ESH-INF/thing/thing-types.xml
index 6e2012e..bbcfaf9 100644
--- a/src/test/resources/ESH-INF/thing/thing-types.xml
+++ b/src/test/resources/ESH-INF/thing/thing-types.xml
@@ -32,6 +32,17 @@
                 <unitLabel>minutes</unitLabel>
             </parameter>
         </config-description>
+
+        <!-- standard properties from org.eclipse.smarthome.core.thing.Thing, should be skipped -->
+        <properties>
+            <property name="vendor">N/A</property>
+            <property name="modelId">N/A</property>
+            <property name="serialNumber">N/A</property>
+            <property name="hardwareVersion">N/A</property>
+            <property name="firmwareVersion">N/A</property>
+            <property name="macAddress">N/A</property>
+        </properties>
+
     </thing-type>
 
     <!-- thing definition for encrypted, but still standard meter -->
diff --git a/src/test/resources/expected.java b/src/test/resources/expected.java
index cff219d..9a5af7b 100644
--- a/src/test/resources/expected.java
+++ b/src/test/resources/expected.java
@@ -16,8 +16,6 @@ private Constants() {
 	public static final String BINDING_ID = "wmbus";
 
 	// Constants
-	public static final String PROPERTY_VENDOR = "vendor";
-	public static final String PROPERTY_MODELID = "modelId";
 	public static final String PROPERTY_SERIAL = "serial";
 	public static final String THING_TYPE_ID_ITRON_SMOKE_DETECTOR = "itron_smoke_detector";
 	public static final String THING_TYPE_ID_TECHEM_HKV45 = "techem_hkv45";