diff --git a/util/cbfstool/lzma/C/LzmaDec.c b/util/cbfstool/lzma/C/LzmaDec.c
index 5537b712ba..e208877b9d 100644
--- a/util/cbfstool/lzma/C/LzmaDec.c
+++ b/util/cbfstool/lzma/C/LzmaDec.c
@@ -28,11 +28,6 @@
 #define TREE_DECODE(probs, limit, i) \
   { i = 1; do { TREE_GET_BIT(probs, i); } while (i < limit); i -= limit; }
 
-/* #define _LZMA_SIZE_OPT */
-
-#ifdef _LZMA_SIZE_OPT
-#define TREE_6_DECODE(probs, i) TREE_DECODE(probs, (1 << 6), i)
-#else
 #define TREE_6_DECODE(probs, i) \
   { i = 1; \
   TREE_GET_BIT(probs, i); \
@@ -42,7 +37,6 @@
   TREE_GET_BIT(probs, i); \
   TREE_GET_BIT(probs, i); \
   i -= 0x40; }
-#endif
 
 #define NORMALIZE_CHECK if (range < kTopValue) { if (buf >= bufLimit) return DUMMY_ERROR; range <<= 8; code = (code << 8) | (*buf++); }
 
diff --git a/util/cbfstool/lzma/C/LzmaDec.h b/util/cbfstool/lzma/C/LzmaDec.h
index d296f85b03..1addabe55a 100644
--- a/util/cbfstool/lzma/C/LzmaDec.h
+++ b/util/cbfstool/lzma/C/LzmaDec.h
@@ -6,16 +6,7 @@
 
 #include "Types.h"
 
-/* #define _LZMA_PROB32 */
-/* _LZMA_PROB32 can increase the speed on some CPUs,
-   but memory usage for CLzmaDec::probs will be doubled in that case */
-
-#ifdef _LZMA_PROB32
-#define CLzmaProb uint32_t
-#else
-#define CLzmaProb uint16_t
-#endif
-
+typedef uint16_t CLzmaProb;
 
 /* ---------- LZMA Properties ---------- */
 
diff --git a/util/cbfstool/lzma/C/LzmaEnc.c b/util/cbfstool/lzma/C/LzmaEnc.c
index 70e9baa1c2..583b45500e 100644
--- a/util/cbfstool/lzma/C/LzmaEnc.c
+++ b/util/cbfstool/lzma/C/LzmaEnc.c
@@ -174,11 +174,8 @@ struct COptimal
 
 #define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
 
-#ifdef _LZMA_PROB32
-#define CLzmaProb uint32_t
-#else
-#define CLzmaProb uint16_t
-#endif
+typedef uint16_t CLzmaProb;
+
 
 #define LZMA_PB_MAX 4
 #define LZMA_LC_MAX 8