diff --git a/qemu/hw/sparc64/sun4u.c b/qemu/hw/sparc64/sun4u.c
index e7d619f5..7377a023 100644
--- a/qemu/hw/sparc64/sun4u.c
+++ b/qemu/hw/sparc64/sun4u.c
@@ -43,8 +43,6 @@ static void sun4u_init(struct uc_struct *uc, MachineState *machine)
         fprintf(stderr, "Unable to find Sparc CPU definition\n");
         exit(1);
     }
-
-    cpu_sparc_set_id(&cpu->env, 0);
 }
 
 void sun4u_machine_init(struct uc_struct *uc)
diff --git a/qemu/target-sparc/unicorn.c b/qemu/target-sparc/unicorn.c
index b8ea29d8..d86497b5 100644
--- a/qemu/target-sparc/unicorn.c
+++ b/qemu/target-sparc/unicorn.c
@@ -69,12 +69,6 @@ int sparc_reg_read(struct uc_struct *uc, unsigned int regid, void *value)
     return 0;
 }
 
-
-#define WRITE_DWORD(x, w) (x = (x & ~0xffffffff) | (w & 0xffffffff))
-#define WRITE_WORD(x, w) (x = (x & ~0xffff) | (w & 0xffff))
-#define WRITE_BYTE_H(x, b) (x = (x & ~0xff00) | (b & 0xff))
-#define WRITE_BYTE_L(x, b) (x = (x & ~0xff) | (b & 0xff))
-
 int sparc_reg_write(struct uc_struct *uc, unsigned int regid, const void *value)
 {
     CPUState *mycpu = first_cpu;
diff --git a/qemu/target-sparc/unicorn64.c b/qemu/target-sparc/unicorn64.c
index a51272de..e9257b75 100644
--- a/qemu/target-sparc/unicorn64.c
+++ b/qemu/target-sparc/unicorn64.c
@@ -69,12 +69,6 @@ int sparc_reg_read(struct uc_struct *uc, unsigned int regid, void *value)
     return 0;
 }
 
-
-#define WRITE_DWORD(x, w) (x = (x & ~0xffffffff) | (w & 0xffffffff))
-#define WRITE_WORD(x, w) (x = (x & ~0xffff) | (w & 0xffff))
-#define WRITE_BYTE_H(x, b) (x = (x & ~0xff00) | (b & 0xff))
-#define WRITE_BYTE_L(x, b) (x = (x & ~0xff) | (b & 0xff))
-
 int sparc_reg_write(struct uc_struct *uc, unsigned int regid, const void *value)
 {
     CPUState *mycpu = first_cpu;