diff --git a/tcg/tcg.c b/tcg/tcg.c
index bfe3d80fc2..ac30d484f5 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -22,9 +22,6 @@
  * THE SOFTWARE.
  */
 
-/* define it to use liveness analysis (better code) */
-#define USE_TCG_OPTIMIZATIONS
-
 #include "qemu/osdep.h"
 
 /* Define to jump the ELF file used to communicate with GDB.  */
@@ -6028,9 +6025,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
     qatomic_set(&prof->opt_time, prof->opt_time - profile_getclock());
 #endif
 
-#ifdef USE_TCG_OPTIMIZATIONS
     tcg_optimize(s);
-#endif
 
 #ifdef CONFIG_PROFILER
     qatomic_set(&prof->opt_time, prof->opt_time + profile_getclock());