diff --git a/apps/shared/interval.cpp b/apps/shared/interval.cpp
index d39270635..4754feb3d 100644
--- a/apps/shared/interval.cpp
+++ b/apps/shared/interval.cpp
@@ -53,10 +53,6 @@ void Interval::setElement(int i, double f) {
   }
 }
 
-void Interval::setNeedRecompute(bool needrecompute) {
-  m_needCompute = needrecompute; 
-}
-
 void Interval::reset() {
   m_start = 0.0;
   m_end = 10.0;
diff --git a/apps/shared/interval.h b/apps/shared/interval.h
index bb2151c40..3022c99f6 100644
--- a/apps/shared/interval.h
+++ b/apps/shared/interval.h
@@ -18,8 +18,8 @@ public:
   void setEnd(double f);
   void setStep(double f);
   void setElement(int i, double f);
-  bool NeedRecompute() const { return m_needCompute; }
-  void setNeedRecompute(bool needrecompute);
+  bool needCompute() const { return m_needCompute; }
+  void setNeedCompute(bool compute){ m_needCompute = compute;}
   void reset();
   void clear();
   // TODO: decide the max number of elements after optimization
diff --git a/apps/shared/interval_parameter_controller.cpp b/apps/shared/interval_parameter_controller.cpp
index c5255e386..3c928f786 100644
--- a/apps/shared/interval_parameter_controller.cpp
+++ b/apps/shared/interval_parameter_controller.cpp
@@ -85,7 +85,7 @@ int IntervalParameterController::reusableParameterCellCount(int type) {
 }
 
 void IntervalParameterController::buttonAction() {
-  m_interval->setNeedRecompute(true);
+  m_interval->setNeedCompute(true);
   StackViewController * stack = stackController();
   stack->pop();
   if (stack->depth() > 1) {