diff --git a/src/plasp/pddl/expressions/Imply.cpp b/src/plasp/pddl/expressions/Imply.cpp
index 9d2581e..b99a99c 100644
--- a/src/plasp/pddl/expressions/Imply.cpp
+++ b/src/plasp/pddl/expressions/Imply.cpp
@@ -30,18 +30,13 @@ ExpressionPointer Imply::simplified()
 	m_arguments[1] = m_arguments[1]->simplified();
 
 	auto notArgument0 = NotPointer(new Not);
-	notArgument0->setArgument(std::move(m_arguments[0]));
+	notArgument0->setArgument(m_arguments[0]);
 
 	auto orExpression = OrPointer(new Or);
-	orExpression->addArgument(std::move(notArgument0));
-	orExpression->addArgument(std::move(m_arguments[1]));
+	orExpression->addArgument(notArgument0);
+	orExpression->addArgument(m_arguments[1]);
 
-	auto normalizedOrExpression = orExpression->simplified();
-
-	if (normalizedOrExpression)
-		return normalizedOrExpression;
-
-	return std::move(orExpression);
+	return orExpression->simplified();
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////