diff --git a/cpukit/doxygen.h b/cpukit/doxygen.h
index 2af2d5ba1b..669c11df56 100644
--- a/cpukit/doxygen.h
+++ b/cpukit/doxygen.h
@@ -24,6 +24,14 @@
  * @brief Device Drivers
  */
 
+/**
+ * @defgroup RTEMSLegacyBenchmarkDrivers Legacy Benchmark Drivers
+ *
+ * @ingroup RTEMSDeviceDrivers
+ *
+ * @brief Legacy Benchmark Drivers
+ */
+
 /**
  * @defgroup libfs libfs
  * 
diff --git a/cpukit/include/rtems/btimer.h b/cpukit/include/rtems/btimer.h
index ad9c629eba..a2eee251e9 100644
--- a/cpukit/include/rtems/btimer.h
+++ b/cpukit/include/rtems/btimer.h
@@ -36,6 +36,8 @@ extern "C" {
 /**
  * @defgroup BenchmarkTimer Benchmark Timer Driver Interface
  *
+ * @ingroup RTEMSLegacyBenchmarkDrivers
+ *
  * This module defines the interface for the Benchmark Timer Driver.
  *
  * The following methods in this module must be provided by each BSP: