diff --git a/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy b/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
index 10aa127ed806..f980c7264de0 100644
--- a/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
+++ b/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
@@ -1581,8 +1581,6 @@ class BeamModulePlugin implements Plugin<Project> {
             "StringCaseLocaleUsage",
             // DoFn methods are executed reflectively at pipeline runtime
             "UnusedMethod",
-            // Void is a valid element type of DoFn elements
-            "VoidUsed",
           ]
           disabledChecks.each {
             options.errorprone.errorproneArgs.add("-Xep:${it}:OFF")
diff --git a/runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/GroupByWithNullValuesTest.java b/runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/GroupByWithNullValuesTest.java
index 1797a0e40ac1..23205409f70a 100644
--- a/runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/GroupByWithNullValuesTest.java
+++ b/runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/GroupByWithNullValuesTest.java
@@ -40,6 +40,7 @@
 /** Tests grouping with null values. */
 public class GroupByWithNullValuesTest implements Serializable {
 
+  @SuppressWarnings("VoidUsed")
   @Test
   public void testGroupByWithNullValues() {
     FlinkPipelineOptions options = FlinkPipelineOptions.defaults();
diff --git a/runners/flink/src/test/java/org/apache/beam/runners/flink/translation/wrappers/streaming/FlinkKeyUtilsTest.java b/runners/flink/src/test/java/org/apache/beam/runners/flink/translation/wrappers/streaming/FlinkKeyUtilsTest.java
index 8dda27e3a898..5f511a0c7d44 100644
--- a/runners/flink/src/test/java/org/apache/beam/runners/flink/translation/wrappers/streaming/FlinkKeyUtilsTest.java
+++ b/runners/flink/src/test/java/org/apache/beam/runners/flink/translation/wrappers/streaming/FlinkKeyUtilsTest.java
@@ -44,10 +44,9 @@ public void testEncodeDecode() {
 
   @Test
   public void testNullKey() {
-    Void key = null;
     VoidCoder coder = VoidCoder.of();
 
-    ByteBuffer byteBuffer = FlinkKeyUtils.encodeKey(key, coder);
+    ByteBuffer byteBuffer = FlinkKeyUtils.encodeKey(null, coder);
     assertThat(FlinkKeyUtils.decodeKey(byteBuffer, coder), is(nullValue()));
   }
 
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
index 8a273127b4fc..945f68ddc22a 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
@@ -914,7 +914,9 @@ public void testSideInputAnnotationFailedValidationMissing() {
       DoFn<Integer, List<Integer>> fn =
           new DoFn<Integer, List<Integer>>() {
             @ProcessElement
-            public void processElement(@SideInput(sideInputTag1) String tag1) {}
+            public void processElement(@SideInput(sideInputTag1) String tag1) {
+              ProcessContext c;
+            }
           };
 
       thrown.expect(IllegalArgumentException.class);
diff --git a/sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcIO.java b/sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcIO.java
index c674ce84eed7..b53dbfd4fa5d 100644
--- a/sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcIO.java
+++ b/sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcIO.java
@@ -2615,7 +2615,7 @@ public DataSource apply(Void input) {
       return instances.computeIfAbsent(
           config.config,
           ignored -> {
-            DataSource basicSource = config.apply(input);
+            DataSource basicSource = config.apply(null);
             DataSourceConnectionFactory connectionFactory =
                 new DataSourceConnectionFactory(basicSource);
             @SuppressWarnings("nullness") // apache.commons.dbcp2 not annotated