diff --git a/src/nt/ntaggregate.cpp b/src/nt/ntaggregate.cpp
index 243c9ac..148834e 100644
--- a/src/nt/ntaggregate.cpp
+++ b/src/nt/ntaggregate.cpp
@@ -82,44 +82,36 @@ NTAggregateBuilder::shared_pointer NTAggregateBuilder::addFirst()
     return shared_from_this();
 }
 
-
 NTAggregateBuilder::shared_pointer NTAggregateBuilder::addFirstTimeStamp()
 {
     firstTimeStamp = true;
     return shared_from_this();
 }
 
-
 NTAggregateBuilder::shared_pointer NTAggregateBuilder::addLast()
 {
     last = true;
     return shared_from_this();
 }
 
-
 NTAggregateBuilder::shared_pointer NTAggregateBuilder::addLastTimeStamp()
 {
     lastTimeStamp = true;
     return shared_from_this();
 }
 
-
 NTAggregateBuilder::shared_pointer NTAggregateBuilder::addMax()
 {
     max = true;
     return shared_from_this();
 }
 
-
 NTAggregateBuilder::shared_pointer NTAggregateBuilder::addMin()
 {
     min = true;
     return shared_from_this();
 }
 
-
-
-
 NTAggregateBuilder::shared_pointer NTAggregateBuilder::addDescriptor()
 {
     descriptor = true;