diff --git a/bin/crumpet-engine b/bin/crumpet-engine
index 9ba64ef..4ab852b 100755
Binary files a/bin/crumpet-engine and b/bin/crumpet-engine differ
diff --git a/src/crumpet-engine/entitymanager/entity.cpp b/src/crumpet-engine/entitymanager/entity.cpp
new file mode 100644
index 0000000..e537671
--- /dev/null
+++ b/src/crumpet-engine/entitymanager/entity.cpp
@@ -0,0 +1,9 @@
+#include "entity.h"
+
+Entity::Entity() {
+
+}
+
+Entity::~Entity() {
+    
+}
diff --git a/src/crumpet-engine/entitymanager/entitybase.cpp b/src/crumpet-engine/entitymanager/entitybase.cpp
index 48cc4ec..4db1a60 100644
--- a/src/crumpet-engine/entitymanager/entitybase.cpp
+++ b/src/crumpet-engine/entitymanager/entitybase.cpp
@@ -1 +1,9 @@
 #include "entitybase.h"
+
+EntityBase::EntityBase() {
+
+}
+
+EntityBase::~EntityBase() {
+    
+}
diff --git a/src/crumpet-engine/entitymanager/entitymanager.h b/src/crumpet-engine/entitymanager/entitymanager.h
index 048cf2d..1ed96ce 100644
--- a/src/crumpet-engine/entitymanager/entitymanager.h
+++ b/src/crumpet-engine/entitymanager/entitymanager.h
@@ -1,15 +1,13 @@
 #pragma once
 
 #include <string>
-#include <iostream>
 #include <map>
-#include <vector>
 
 #include "entity.h"
 
 class EntityManager {
 public:
-    EntityManager():
+    EntityManager();
 
     virtual ~EntityManager();
 private:
diff --git a/src/crumpet-engine/resourcemanager/resourcemanager.h b/src/crumpet-engine/resourcemanager/resourcemanager.h
index bf2748d..e3deb19 100644
--- a/src/crumpet-engine/resourcemanager/resourcemanager.h
+++ b/src/crumpet-engine/resourcemanager/resourcemanager.h
@@ -8,5 +8,5 @@ public:
 
     TextureManager textureManager;
 
-    virtual ~ResourceManger();
+    virtual ~ResourceManger() {};
 };