diff --git a/core/pom.xml b/core/pom.xml
index 512d231..d965276 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -102,7 +102,19 @@
               <version>3.42.0-eisop4</version>
             </path>
           </annotationProcessorPaths>
+          <annotationProcessors>
+            <annotationProcessor>org.checkerframework.checker.nullness.NullnessChecker</annotationProcessor>
+          </annotationProcessors>
           <compilerArgs>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED</arg>
+            <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED</arg>
+            <arg>-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED</arg>
             <arg>-Xmaxerrs</arg>
             <arg>10000</arg>
             <arg>-Xmaxwarns</arg>
@@ -113,20 +125,6 @@
           <execution>
             <id>default-compile</id>
             <configuration>
-              <annotationProcessors>
-                <annotationProcessor>org.checkerframework.checker.nullness.NullnessChecker</annotationProcessor>
-              </annotationProcessors>
-              <compilerArgs combine.children="append">
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED</arg>
-                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED</arg>
-                <arg>-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED</arg>
-              </compilerArgs>
             </configuration>
           </execution>
           <execution>
diff --git a/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterBenchmark.java b/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterBenchmark.java
index c330dfe..7bbdac6 100644
--- a/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterBenchmark.java
+++ b/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterBenchmark.java
@@ -4,8 +4,11 @@
 
 package eu.mulk.quarkus.googlecloud.jsonlogging;
 
+import static java.util.logging.Level.FINEST;
+
 import java.util.List;
-import org.jboss.logmanager.ExtLogRecord;
+import java.util.logging.LogRecord;
+import org.jboss.logmanager.formatters.Formatters;
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.infra.Blackhole;
 
@@ -15,11 +18,14 @@
 @State(org.openjdk.jmh.annotations.Scope.Benchmark)
 public class FormatterBenchmark {
 
-  private ExtLogRecord simpleLogRecord;
-  private ExtLogRecord structuredLogRecord;
-  private ExtLogRecord massivelyStructuredLogRecord;
-  private ExtLogRecord nestedLogRecord;
-  private Formatter formatter;
+  private static final LogRecord NULL_LOG_RECORD = new LogRecord(FINEST, "");
+  private static final java.util.logging.Formatter NULL_FORMATTER = Formatters.nullFormatter();
+
+  private LogRecord simpleLogRecord = NULL_LOG_RECORD;
+  private LogRecord structuredLogRecord = NULL_LOG_RECORD;
+  private LogRecord massivelyStructuredLogRecord = NULL_LOG_RECORD;
+  private LogRecord nestedLogRecord = NULL_LOG_RECORD;
+  private java.util.logging.Formatter formatter = NULL_FORMATTER;
 
   @Setup
   public void setup() {