diff --git a/validation/data_validator_group.cpp b/validation/data_validator_group.cpp
index f57fe003ca..ae1fc31578 100644
--- a/validation/data_validator_group.cpp
+++ b/validation/data_validator_group.cpp
@@ -41,7 +41,6 @@
 
 #include "data_validator_group.h"
 #include <ecl/ecl.h>
-#include <cassert>
 
 DataValidatorGroup::DataValidatorGroup(unsigned siblings) :
 	_first(nullptr),
@@ -50,7 +49,6 @@ DataValidatorGroup::DataValidatorGroup(unsigned siblings) :
 	_first_failover_time(0),
 	_toggle_count(0)
 {
-	assert(siblings > 0);
 	DataValidator *next = _first;
 
 	for (unsigned i = 0; i < siblings; i++) {
diff --git a/validation/data_validator_group.h b/validation/data_validator_group.h
index 238b684180..89d4e1a4e5 100644
--- a/validation/data_validator_group.h
+++ b/validation/data_validator_group.h
@@ -45,6 +45,9 @@
 
 class __EXPORT DataValidatorGroup {
 public:
+	/**
+	 * @param siblings initial number of DataValidator's. Must be > 0.
+	 */
 	DataValidatorGroup(unsigned siblings);
 	virtual ~DataValidatorGroup();