diff --git a/apps/variable_box_controller.cpp b/apps/variable_box_controller.cpp
index 4b06b020c..1effc023c 100644
--- a/apps/variable_box_controller.cpp
+++ b/apps/variable_box_controller.cpp
@@ -127,10 +127,6 @@ int VariableBoxController::typeAtLocation(int i, int j) {
   return 0;
 }
 
-void VariableBoxController::lockDeleteEvent(Page page) {
-  m_lockPageDelete = page;
-}
-
 ExpressionTableCellWithExpression * VariableBoxController::leafCellAtIndex(int index) {
   assert(index >= 0 && index < k_maxNumberOfDisplayedRows);
   return &m_leafCells[index];
diff --git a/apps/variable_box_controller.h b/apps/variable_box_controller.h
index 0d5948b96..500409320 100644
--- a/apps/variable_box_controller.h
+++ b/apps/variable_box_controller.h
@@ -32,7 +32,7 @@ public:
     Expression = 1,
     Function = 2
   };
-  void lockDeleteEvent(Page page);
+  void lockDeleteEvent(Page page) { m_lockPageDelete = page; }
 private:
   constexpr static int k_maxNumberOfDisplayedRows = 6; //240/Metric::ToolboxRowHeight
   constexpr static int k_numberOfMenuRows = 2;