diff --git a/algorithms_cpp/include/embb/algorithms/execution_policy.h b/algorithms_cpp/include/embb/algorithms/execution_policy.h
index bf72c29..de68cca 100644
--- a/algorithms_cpp/include/embb/algorithms/execution_policy.h
+++ b/algorithms_cpp/include/embb/algorithms/execution_policy.h
@@ -38,11 +38,7 @@ namespace algorithms {
  *  - the affinity of tasks to MTAPI worker threads (not CPU cores) and
  *  - the priority of the spawned tasks.
  *
- * \ingroup CPP_ALGORITHMS_SCAN
- * \ingroup CPP_ALGORITHMS_REDUCTION
- * \ingroup CPP_ALGORITHMS_FOREACH
- * \ingroup CPP_ALGORITHMS_COUNT
- * \ingroup CPP_ALGORITHMS_SORTING
+ * \ingroup CPP_ALGORITHMS
  */
 class ExecutionPolicy{
  public:
diff --git a/algorithms_cpp/include/embb/algorithms/identity.h b/algorithms_cpp/include/embb/algorithms/identity.h
index 9baaac0..b8d5ed3 100644
--- a/algorithms_cpp/include/embb/algorithms/identity.h
+++ b/algorithms_cpp/include/embb/algorithms/identity.h
@@ -33,11 +33,7 @@ namespace algorithms {
 /**
  * Unary identity functor.
  *
- * \ingroup CPP_ALGORITHMS_SCAN
- * \ingroup CPP_ALGORITHMS_REDUCTION
- * \ingroup CPP_ALGORITHMS_FOREACH
- * \ingroup CPP_ALGORITHMS_COUNT
- * \ingroup CPP_ALGORITHMS_SORTING
+ * \ingroup CPP_ALGORITHMS
  */
 struct Identity {
   /**