diff --git a/include/Langulus/Mesh.inl b/include/Langulus/Mesh.inl
index 0e4a644..63584de 100644
--- a/include/Langulus/Mesh.inl
+++ b/include/Langulus/Mesh.inl
@@ -722,7 +722,7 @@ namespace Langulus::A
             else
                LANGULUS_OOPS(Access, "Unsupported index format");
          }
-         else LANGULUS_ERROR("Unsupported topology");
+         else static_assert(false, "Unsupported topology");
       }
       else LANGULUS_OOPS(Access, "Unsupported indexing strategy");
 
diff --git a/source/Runtime.cpp b/source/Runtime.cpp
index f28a100..d92c259 100644
--- a/source/Runtime.cpp
+++ b/source/Runtime.cpp
@@ -46,7 +46,7 @@
    //TODO
 #endif
 
-#if 1
+#if 0
    #define VERBOSE(...) Logger::Verbose(__VA_ARGS__)
 #else
    #define VERBOSE(...) LANGULUS(NOOP)
diff --git a/source/Thing.cpp b/source/Thing.cpp
index 77aa94e..484fbbf 100644
--- a/source/Thing.cpp
+++ b/source/Thing.cpp
@@ -215,6 +215,9 @@ namespace Langulus::Entity
          ENTITY_VERBOSE_SELF(
             "Tearing off unit ", unit, " at ", unit->GetReferences(), " uses...");
          unit->mOwners.Remove(this);
+
+         if (unit->mOwners.IsEmpty())
+            unit->mOwners.Reset();
       }
 
       // Propagate Teardown through the hierarchy of Things             
diff --git a/source/Thing.inl b/source/Thing.inl
index 5c801de..871bbab 100644
--- a/source/Thing.inl
+++ b/source/Thing.inl
@@ -122,7 +122,7 @@ namespace Langulus::Entity
             }
          }
       }
-      else LANGULUS_ERROR("Unsupported descriptor");
+      else static_assert(false, "Unsupported descriptor");
    }
 
    /// Add a child