diff --git a/runtime/src/main/java/io/quarkiverse/jooq/runtime/graal/DefaultRecordMapperSubstitutions.java b/runtime/src/main/java/io/quarkiverse/jooq/runtime/graal/DefaultRecordMapperSubstitutions.java
deleted file mode 100644
index b1cf0f9..0000000
--- a/runtime/src/main/java/io/quarkiverse/jooq/runtime/graal/DefaultRecordMapperSubstitutions.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package io.quarkiverse.jooq.runtime.graal;
-
-import com.oracle.svm.core.annotate.Substitute;
-import com.oracle.svm.core.annotate.TargetClass;
-
-@TargetClass(className = "org.jooq.impl.DefaultRecordMapper", innerClass = "ProxyMapper")
-public final class DefaultRecordMapperSubstitutions<E> {
-    @Substitute
-    private E proxy() {
-        return null;
-    }
-}
\ No newline at end of file