diff --git a/executer/user/mcexec.c b/executer/user/mcexec.c
index 62e430c6..43625169 100644
--- a/executer/user/mcexec.c
+++ b/executer/user/mcexec.c
@@ -601,22 +601,6 @@ int main_loop(int fd, int cpu, pthread_mutex_t *lock)
 			do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);
 			break;
 
-		case __NR_pwrite64:
-			dma_buf[w.sr.args[2]] = 0;
-			do_syscall_load(fd, cpu, (unsigned long)dma_buf,
-			                w.sr.args[1], w.sr.args[2]);
-
-			/*
-			while (!dma_buf[w.sr.args[2]]) {
-				asm volatile ("" : : : "memory");
-			}
-			*/
-
-			ret = pwrite(w.sr.args[0], dma_buf, w.sr.args[2],
-			             w.sr.args[3]);
-			do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);
-			break;
-
 		case __NR_gettimeofday:
 			ret = gettimeofday((struct timeval *)dma_buf, NULL);
 			SET_ERR(ret);
diff --git a/kernel/syscall.c b/kernel/syscall.c
index bcdd827e..cf104edf 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -165,13 +165,6 @@ SYSCALL_DECLARE(gettimeofday)
 	SYSCALL_FOOTER;
 }
 
-SYSCALL_DECLARE(pwrite)
-{
-	SYSCALL_HEADER;
-	SYSCALL_ARGS_4(D, MI, D, D);
-	SYSCALL_FOOTER;
-}
-
 SYSCALL_DECLARE(close)
 {
 	SYSCALL_HEADER;
@@ -1002,7 +995,6 @@ static long (*syscall_table[])(int, ihk_mc_user_context_t *) = {
 	[12] = sys_brk,
 	[13] = sys_rt_sigaction,
 	[14] = sys_rt_sigprocmask,
-	[18] = sys_pwrite,
 	[21] = sys_access,
 	[24] = sys_sched_yield,
 	[28] = sys_madvise,