diff --git a/javacc-wrapper.xml b/javacc-wrapper.xml
index 2c43e086d8..bbd50e21a4 100644
--- a/javacc-wrapper.xml
+++ b/javacc-wrapper.xml
@@ -224,6 +224,11 @@
 
     <target name="cleanup-parser" unless="jjtreeBuildNotRequired">
 
+        <replace token="class ${parser-name}">
+            <replacevalue expandProperties="true"><![CDATA[@net.sourceforge.pmd.annotation.Generated("org.javacc.javacc")
+class ]]>${parser-name}</replacevalue>
+            <file name="${parser-file}" />
+        </replace>
 
         <replace token="new Token()" value="token_source.input_stream.getTokenDocument().open()">
             <file name="${parser-file}" />
@@ -262,7 +267,8 @@
 
         <replaceregexp>
             <regexp pattern="public interface"/>
-            <substitution expression="interface"/>
+            <substitution expression='@net.sourceforge.pmd.annotation.Generated("org.javacc.javacc")${line.separator}
+interface'/>
             <file name="${target-package-dir}/${parser-name}TreeConstants.java" />
         </replaceregexp>
 
@@ -272,7 +278,8 @@
 
         <replaceregexp>
             <regexp pattern='(public )?class ${tokenmgr-name}' />
-            <substitution expression='class ${tokenmgr-name} extends ${base-tokenmgr}' />
+            <substitution expression='@net.sourceforge.pmd.annotation.Generated("org.javacc.javacc")${line.separator}
+class ${tokenmgr-name} extends ${base-tokenmgr}' />
             <file name="${tokenmgr-file}" />
         </replaceregexp>
 
@@ -385,11 +392,12 @@
 
         <replaceregexp>
             <regexp pattern="(public )?interface ${constants-itf-name} \{" />
-            <substitution expression="/** Token kinds ({@link ${ast-impl-package}.JavaccToken#kind}) for this language. */${line.separator}
+            <substitution expression='/** Token kinds ({@link ${ast-impl-package}.JavaccToken#kind}) for this language. */${line.separator}
 @net.sourceforge.pmd.annotation.InternalApi${line.separator}
+@net.sourceforge.pmd.annotation.Generated("org.javacc.javacc")${line.separator}
 public final class ${token-constants-name} \{${line.separator}
     private ${token-constants-name}() { /* Utility class */ }${line.separator}
-"/>
+'/>
             <file name="${token-constants-file}" />
         </replaceregexp>
 
@@ -534,8 +542,9 @@ public final class ${token-constants-name} \{${line.separator}
     <target name="default-visitor" depends="jjtree" unless="jjtreeBuildNotRequired">
         <move file="${target-package-dir}/${gen-visitor-name}.java" tofile="${generic-visitor-interface-file}" />
         <replace file="${generic-visitor-interface-file}">
-            <replacefilter token="${gen-visitor-name}"
-                           value="${generic-visitor-interface-name}&lt;P, R> extends ${ast-api-package}.AstVisitor&lt;P, R>" />
+            <replacefilter token="public interface ${gen-visitor-name}"
+                           value='@net.sourceforge.pmd.annotation.Generated("org.javacc.javacc")${line.separator}
+public interface ${generic-visitor-interface-name}&lt;P, R> extends ${ast-api-package}.AstVisitor&lt;P, R>' />
 
             <replacefilter token="SimpleNode" value="${node-name}" />
             <!-- Root method, eg visitJavaNode -->
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/annotation/Generated.java b/pmd-core/src/main/java/net/sourceforge/pmd/annotation/Generated.java
new file mode 100644
index 0000000000..ab9b46f465
--- /dev/null
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/annotation/Generated.java
@@ -0,0 +1,23 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Marks a class as generated code, and therefore to be ignored for code coverage purposes.
+ *
+ * @since 7.6.0
+ */
+@Retention(RetentionPolicy.CLASS)
+@Documented
+public @interface Generated {
+
+    /** The generator that produced this code */
+    String value() default "";
+
+}
diff --git a/pom.xml b/pom.xml
index f2cb4d826c..216fad4056 100644
--- a/pom.xml
+++ b/pom.xml
@@ -611,12 +611,7 @@
                 <plugin>
                     <groupId>org.jacoco</groupId>
                     <artifactId>jacoco-maven-plugin</artifactId>
-                    <version>0.8.11</version>
-                    <configuration>
-                        <excludes>
-                            <exclude>**/target/generated-sources/**</exclude>
-                        </excludes>
-                    </configuration>
+                    <version>0.8.12</version>
                 </plugin>
                 <plugin>
                     <groupId>org.cyclonedx</groupId>