diff --git a/CMakeLists.txt b/CMakeLists.txt
index fcc86af8..6415d39d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -258,7 +258,6 @@ function(add_lego_libraries NAME)
     LEGO1/omni/src/stream/mxstreamchunk.cpp
     LEGO1/omni/src/stream/mxstreamcontroller.cpp
     LEGO1/omni/src/stream/mxstreamer.cpp
-    LEGO1/omni/src/stream/mxstreamprovider.cpp
     LEGO1/omni/src/system/mxautolock.cpp
     LEGO1/omni/src/system/mxcriticalsection.cpp
     LEGO1/omni/src/system/mxscheduler.cpp
diff --git a/LEGO1/omni/include/mxstreamprovider.h b/LEGO1/omni/include/mxstreamprovider.h
index 33cda8a1..8b5336b5 100644
--- a/LEGO1/omni/include/mxstreamprovider.h
+++ b/LEGO1/omni/include/mxstreamprovider.h
@@ -28,12 +28,21 @@ class MxStreamProvider : public MxCore {
 		return !strcmp(p_name, MxStreamProvider::ClassName()) || MxCore::IsA(p_name);
 	}
 
-	virtual MxResult SetResourceToGet(MxStreamController* p_resource); // vtable+0x14
-	virtual MxU32 GetFileSize() = 0;                                   // vtable+0x18
-	virtual MxS32 GetStreamBuffersNum() = 0;                           // vtable+0x1c
-	virtual void VTable0x20(MxDSAction* p_action);                     // vtable+0x20
-	virtual MxU32 GetLengthInDWords() = 0;                             // vtable+0x24
-	virtual MxU32* GetBufferForDWords() = 0;                           // vtable+0x28
+	// FUNCTION: LEGO1 0x100d07c0
+	virtual MxResult SetResourceToGet(MxStreamController* p_resource)
+	{
+		m_pLookup = p_resource;
+		return SUCCESS;
+	} // vtable+0x14
+
+	virtual MxU32 GetFileSize() = 0;         // vtable+0x18
+	virtual MxS32 GetStreamBuffersNum() = 0; // vtable+0x1c
+
+	// FUNCTION: LEGO1 0x100d07d0
+	virtual void VTable0x20(MxDSAction* p_action) {} // vtable+0x20
+
+	virtual MxU32 GetLengthInDWords() = 0;   // vtable+0x24
+	virtual MxU32* GetBufferForDWords() = 0; // vtable+0x28
 
 protected:
 	MxStreamController* m_pLookup; // 0x08
diff --git a/LEGO1/omni/src/stream/mxramstreamprovider.cpp b/LEGO1/omni/src/stream/mxramstreamprovider.cpp
index d655c16f..2b062504 100644
--- a/LEGO1/omni/src/stream/mxramstreamprovider.cpp
+++ b/LEGO1/omni/src/stream/mxramstreamprovider.cpp
@@ -6,7 +6,8 @@
 #include "mxomni.h"
 #include "mxstreamcontroller.h"
 
-DECOMP_SIZE_ASSERT(MxRAMStreamProvider, 0x24);
+DECOMP_SIZE_ASSERT(MxStreamProvider, 0x10)
+DECOMP_SIZE_ASSERT(MxRAMStreamProvider, 0x24)
 
 // FUNCTION: LEGO1 0x100d0730
 MxRAMStreamProvider::MxRAMStreamProvider()
diff --git a/LEGO1/omni/src/stream/mxstreamprovider.cpp b/LEGO1/omni/src/stream/mxstreamprovider.cpp
deleted file mode 100644
index 740b2c65..00000000
--- a/LEGO1/omni/src/stream/mxstreamprovider.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-#include "mxstreamprovider.h"
-
-#include "decomp.h"
-
-DECOMP_SIZE_ASSERT(MxStreamProvider, 0x10);
-
-// FUNCTION: LEGO1 0x100d07c0
-MxResult MxStreamProvider::SetResourceToGet(MxStreamController* p_resource)
-{
-	m_pLookup = p_resource;
-	return SUCCESS;
-}
-
-// FUNCTION: LEGO1 0x100d07d0
-void MxStreamProvider::VTable0x20(MxDSAction* p_action)
-{
-}