diff --git a/LEGO1/legoutil.cpp b/LEGO1/legoutil.cpp
index 6e447c70..a088dc58 100644
--- a/LEGO1/legoutil.cpp
+++ b/LEGO1/legoutil.cpp
@@ -3,8 +3,6 @@
 #include "mxomni.h"
 #include "mxtypes.h"
 
-#include "math.h"
-
 #include <string.h>
 
 // OFFSET: LEGO1 0x1003e300
diff --git a/LEGO1/mxvideopresenter.cpp b/LEGO1/mxvideopresenter.cpp
index f48a0f8b..7f598200 100644
--- a/LEGO1/mxvideopresenter.cpp
+++ b/LEGO1/mxvideopresenter.cpp
@@ -1,5 +1,5 @@
 #include "mxvideopresenter.h"
-#include "MxVideoManager.h"
+#include "mxvideomanager.h"
 
 DECOMP_SIZE_ASSERT(MxVideoPresenter, 0x64);
 DECOMP_SIZE_ASSERT(MxVideoPresenter::AlphaMask, 0xc);
@@ -135,7 +135,7 @@ MxVideoPresenter::AlphaMask::AlphaMask(const MxBitmap &p_bitmap)
     for (MxS32 i = 0; i < m_width; i++) {
       if (*t_ptr) {
         // TODO: Second CDQ instruction for abs() should not be there.
-        MxU32 shift = abs(offset) & 7;
+        MxS32 shift = abs(offset) & 7;
         m_bitmask[offset / 8] |= (1 << abs(shift));
       }
       t_ptr++;