diff --git a/include/amuse/Entity.hpp b/include/amuse/Entity.hpp
index 917d424..4f81055 100644
--- a/include/amuse/Entity.hpp
+++ b/include/amuse/Entity.hpp
@@ -26,9 +26,7 @@ protected:
     bool m_destroyed = false;
     void _destroy()
     {
-#ifndef NDEBUG
         assert(!m_destroyed);
-#endif
         m_destroyed = true;
     }
     Engine& m_engine;
@@ -42,10 +40,8 @@ public:
     }
     ~Entity()
     {
-#ifndef NDEBUG
         /* Ensure proper destruction procedure followed */
         assert(m_destroyed);
-#endif
     }
 
     Engine& getEngine() { return m_engine; }
diff --git a/lib/Engine.cpp b/lib/Engine.cpp
index 8590a3b..e7145f7 100644
--- a/lib/Engine.cpp
+++ b/lib/Engine.cpp
@@ -103,9 +103,7 @@ std::shared_ptr<Studio> Engine::_allocateStudio(bool mainOut)
 
 std::list<std::shared_ptr<Voice>>::iterator Engine::_destroyVoice(std::list<std::shared_ptr<Voice>>::iterator it)
 {
-#ifndef NDEBUG
     assert(this == &(*it)->getEngine());
-#endif
     if ((*it)->m_destroyed)
         return m_activeVoices.begin();
     (*it)->_destroy();
@@ -115,9 +113,7 @@ std::list<std::shared_ptr<Voice>>::iterator Engine::_destroyVoice(std::list<std:
 std::list<std::shared_ptr<Sequencer>>::iterator
 Engine::_destroySequencer(std::list<std::shared_ptr<Sequencer>>::iterator it)
 {
-#ifndef NDEBUG
     assert(this == &(*it)->getEngine());
-#endif
     if ((*it)->m_destroyed)
         return m_activeSequencers.begin();
     (*it)->_destroy();
diff --git a/lib/Studio.cpp b/lib/Studio.cpp
index 461cd9e..eba881b 100644
--- a/lib/Studio.cpp
+++ b/lib/Studio.cpp
@@ -27,10 +27,8 @@ void Studio::addStudioSend(std::weak_ptr<Studio> studio, float dry, float auxA,
 {
     m_studiosOut.emplace_back(studio, dry, auxA, auxB);
 
-#ifndef NDEBUG
     /* Cyclic check */
     assert(!_cyclicCheck(this));
-#endif
 }
 
 void Studio::resetOutputSampleRate(double sampleRate)