diff --git a/Code/Framework/AzCore/AzCore/Script/ScriptContext.cpp b/Code/Framework/AzCore/AzCore/Script/ScriptContext.cpp
index 841387f14d..64822684da 100644
--- a/Code/Framework/AzCore/AzCore/Script/ScriptContext.cpp
+++ b/Code/Framework/AzCore/AzCore/Script/ScriptContext.cpp
@@ -1424,7 +1424,8 @@ namespace AZ
     }
 }
 
-using namespace AZ;
+namespace AZ
+{
 
 #ifndef AZ_USE_CUSTOM_SCRIPT_BIND
 
@@ -2254,6 +2255,7 @@ LUA_API const Node* lua_getDummyNode()
     }
 
 #endif // AZ_USE_CUSTOM_SCRIPT_BIND
+} // namespace AZ
 
     //////////////////////////////////////////////////////////////////////////
     //////////////////////////////////////////////////////////////////////////
@@ -5825,7 +5827,6 @@ LUA_API const Node* lua_getDummyNode()
             AllocatorWrapper<Internal::LuaSystemAllocator> m_luaAllocator;
             AZStd::thread::id m_ownerThreadId; // Check if Lua methods (including EBus handlers) are called from background threads.
         };
-    } // namespace AZ
 
     ScriptContext::ScriptContext(ScriptContextId id, IAllocatorAllocate* allocator, lua_State* nativeContext)
     {
@@ -6116,5 +6117,6 @@ LUA_API const Node* lua_getDummyNode()
     {
         return m_impl->ConstructScriptProperty(sdc, valueIndex, name, restrictToPropertyArrays);
     }
+} // namespace AZ
 
 #undef AZ_DBG_NAME_FIXER
diff --git a/Code/Framework/AzCore/AzCore/Script/ScriptContext.h b/Code/Framework/AzCore/AzCore/Script/ScriptContext.h
index bb63a9368d..5a7fca704f 100644
--- a/Code/Framework/AzCore/AzCore/Script/ScriptContext.h
+++ b/Code/Framework/AzCore/AzCore/Script/ScriptContext.h
@@ -5,8 +5,7 @@
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
-#ifndef AZCORE_SCRIPT_CONTEXT_H
-#define AZCORE_SCRIPT_CONTEXT_H
+#pragma once
 
 #include <AzCore/Memory/SystemAllocator.h>
 #include <AzCore/std/function/function_fwd.h>
@@ -1032,4 +1031,3 @@ namespace AZ
     }
 
 } // namespace AZ
-#endif // AZCORE_SCRIPT_CONTEXT_H
diff --git a/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.cpp b/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.cpp
index 81ede7a5d3..698c5a0043 100644
--- a/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.cpp
+++ b/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.cpp
@@ -25,10 +25,8 @@ extern "C" {
 
 namespace AZ
 {
+    
     void LuaHook(lua_State* l, lua_Debug* ar);
-}
-
-using namespace AZ;
 
 /**
  * A temp class that will override the current script context error handler and store the error (without any messages)
@@ -599,7 +597,7 @@ static ScriptContextDebug::BreakpointId MakeBreakpointId(const char* sourceName,
 // LuaHook
 // [6/28/2012]
 //=========================================================================
-void AZ::LuaHook(lua_State* l, lua_Debug* ar)
+void LuaHook(lua_State* l, lua_Debug* ar)
 {
     // Read contexts
     lua_rawgeti(l, LUA_REGISTRYINDEX, AZ_LUA_SCRIPT_CONTEXT_REF);
@@ -1543,4 +1541,6 @@ ScriptContextDebug::SetValue(const DebugValue& sourceValue)
     return true;
 }
 
+} // namespace AZ
+
 #endif // #if !defined(AZCORE_EXCLUDE_LUA)
diff --git a/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.h b/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.h
index a8f0ba643c..a1d73352c4 100644
--- a/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.h
+++ b/Code/Framework/AzCore/AzCore/Script/ScriptContextDebug.h
@@ -5,8 +5,7 @@
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
-#ifndef AZCORE_SCRIPT_CONTEXT_DEBUG_H
-#define AZCORE_SCRIPT_CONTEXT_DEBUG_H
+#pragma once
 
 #include <AzCore/Script/ScriptContext.h>
 #include <AzCore/std/functional.h>
@@ -213,6 +212,3 @@ namespace AZ
         ScriptContext&       m_context;
     };
 }
-
-#endif // AZCORE_SCRIPT_CONTEXT_DEBUG_H
-#pragma once
diff --git a/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.cpp b/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.cpp
index 4b71c57682..32081afce7 100644
--- a/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.cpp
+++ b/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.cpp
@@ -31,7 +31,8 @@
 #include <AzCore/Serialization/Json/RegistrationContext.h>
 #include <AzCore/std/string/conversions.h>
 
-using namespace AZ;
+namespace AZ
+{
 
 /**
  * Script lifecycle:
@@ -44,8 +45,7 @@ using namespace AZ;
  *      If the script was loaded by a ScriptComponent, Load will be called once reload is complete.
  */
 
-namespace
-{
+namespace LocalTU_ScriptSystemComponent {
     // Called when a module has already been loaded
     static int LuaRequireLoadedModule(lua_State* l)
     {
@@ -54,8 +54,10 @@ namespace
 
         return 1;
     }
+
 }
 
+
 //=========================================================================
 // ScriptSystemComponent
 // [5/29/2012]
@@ -479,7 +481,7 @@ int ScriptSystemComponent::DefaultRequireHook(lua_State* lua, ScriptContext* con
         scriptIt->second.m_scriptNames.emplace(module);
         // Push the value to a closure that will just return it
         lua_rawgeti(lua, LUA_REGISTRYINDEX, scriptIt->second.m_tableReference);
-        lua_pushcclosure(lua, LuaRequireLoadedModule, 1);
+        lua_pushcclosure(lua, LocalTU_ScriptSystemComponent::LuaRequireLoadedModule, 1);
 
         // If asset reference already populated, just return now. Otherwise, capture reference
         if (scriptIt->second.m_scriptAsset.GetId().IsValid())
@@ -519,7 +521,7 @@ int ScriptSystemComponent::DefaultRequireHook(lua_State* lua, ScriptContext* con
     }
 
     // Push function returning the result
-    lua_pushcclosure(lua, LuaRequireLoadedModule, 1);
+    lua_pushcclosure(lua, LocalTU_ScriptSystemComponent::LuaRequireLoadedModule, 1);
 
     // Set asset reference on the loaded script
     scriptIt = container->m_loadedScripts.find(scriptId.m_guid);
@@ -565,7 +567,7 @@ int ScriptSystemComponent::InMemoryRequireHook(lua_State* lua, ScriptContext* co
         scriptIt->second.m_scriptNames.emplace(module);
         // Push the value to a closure that will just return it
         lua_rawgeti(lua, LUA_REGISTRYINDEX, scriptIt->second.m_tableReference);
-        lua_pushcclosure(lua, LuaRequireLoadedModule, 1);
+        lua_pushcclosure(lua, LocalTU_ScriptSystemComponent::LuaRequireLoadedModule, 1);
 
         // If asset reference already populated, just return now. Otherwise, capture reference
         if (scriptIt->second.m_scriptAsset.GetId().IsValid())
@@ -591,7 +593,7 @@ int ScriptSystemComponent::InMemoryRequireHook(lua_State* lua, ScriptContext* co
     }
 
     // Push function returning the result
-    lua_pushcclosure(lua, LuaRequireLoadedModule, 1);
+    lua_pushcclosure(lua, LocalTU_ScriptSystemComponent::LuaRequireLoadedModule, 1);
 
     // Set asset reference on the loaded script
     scriptIt = container->m_loadedScripts.find(scriptId.m_guid);
@@ -996,4 +998,5 @@ void ScriptSystemComponent::Reflect(ReflectContext* reflection)
     }
 }
 
+} // namespace AZ
 #endif // #if !defined(AZCORE_EXCLUDE_LUA)
diff --git a/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.h b/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.h
index eb2e968a95..a7b1245546 100644
--- a/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.h
+++ b/Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.h
@@ -5,8 +5,7 @@
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
-#ifndef AZCORE_SCRIPT_SYSTEM_COMPONENT_H
-#define AZCORE_SCRIPT_SYSTEM_COMPONENT_H
+#pragma once
 
 #include <AzCore/Component/Component.h>
 #include <AzCore/Component/TickBus.h>
@@ -182,6 +181,3 @@ namespace AZ
         void OnAssetReloaded(Data::Asset<Data::AssetData> asset) override;
     };
 }
-
-#endif // AZCORE_SCRIPT_SYSTEM_COMPONENT_H
-#pragma once