diff --git a/src/TransformOperator.cpp b/src/TransformOperator.cpp
index 743297e..fbe9075 100755
--- a/src/TransformOperator.cpp
+++ b/src/TransformOperator.cpp
@@ -36,15 +36,6 @@ TransformOperator* TransformOperator::getSingleton()
   return m_pSingleton;
 }
 
-void TransformOperator::kill()
-{
-    if (m_pSingleton != nullptr)
-    {
-        delete m_pSingleton;
-        m_pSingleton = nullptr;
-    }
-}
-
 ////////////////////////////////////////
 // Constructor & Destructor
 
diff --git a/src/TransformOperator.h b/src/TransformOperator.h
index 37c9374..6bdc37d 100755
--- a/src/TransformOperator.h
+++ b/src/TransformOperator.h
@@ -26,7 +26,6 @@ class TransformOperator : public QObject, public QtMouseListener
 public:
 
     static TransformOperator* getSingleton();
-    static void kill();
 
     enum TransformState
     {
diff --git a/src/TransformOperator_test.cpp b/src/TransformOperator_test.cpp
index ef0431a..828a72d 100644
--- a/src/TransformOperator_test.cpp
+++ b/src/TransformOperator_test.cpp
@@ -16,14 +16,6 @@ TEST(TransformOperatorTest, SingletonInstance) {
     EXPECT_EQ(instance1, instance2);
 }
 
-// Test if kill deletes the instance
-TEST(TransformOperatorTest, Kill) {
-    TransformOperator* instance = TransformOperator::getSingleton();
-    TransformOperator::kill();
-    TransformOperator* instance2 = TransformOperator::getSingleton();
-    EXPECT_NE(instance, instance2);
-}
-
 // Test if setTransformState sets the state correctly
 TEST(TransformOperatorTest, SetSelectionBoxColour) {
     TransformOperator* instance = TransformOperator::getSingleton();