diff --git a/src/arch/alpha/linux/process.cc b/src/arch/alpha/linux/process.cc
index 91decc7..2cd9102 100644
--- a/src/arch/alpha/linux/process.cc
+++ b/src/arch/alpha/linux/process.cc
@@ -179,7 +179,7 @@
     /* 20 */ { "getxpid", getpidPseudoFunc },
     /* 21 */ { "osf_mount" },
     /* 22 */ { "umount" },
-    /* 23 */ { "setuid", setuidFunc },
+    /* 23 */ { "setuid", ignoreFunc },
     /* 24 */ { "getxuid", getuidPseudoFunc },
     /* 25 */ { "exec_with_loader" },
     /* 26 */ { "osf_ptrace" },
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index 0391487..4b54a54 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -188,7 +188,7 @@
     /* 20 */ { "getpid", getpidFunc },
     /* 21 */ { "mount" },
     /* 22 */ { "umount" },
-    /* 23 */ { "setuid", setuidFunc },
+    /* 23 */ { "setuid", ignoreFunc },
     /* 24 */ { "getuid", getuidFunc },
     /* 25 */ { "stime" },
     /* 26 */ { "ptrace" },
diff --git a/src/arch/mips/linux/process.cc b/src/arch/mips/linux/process.cc
index 0b03c99..31bf990 100644
--- a/src/arch/mips/linux/process.cc
+++ b/src/arch/mips/linux/process.cc
@@ -192,7 +192,7 @@
     /* 20 */ { "getpid", getpidFunc },
     /* 21 */ { "mount" },
     /* 22 */ { "umount" },
-    /* 23 */ { "setuid", setuidFunc },
+    /* 23 */ { "setuid", ignoreFunc },
     /* 24 */ { "getuid", getuidFunc },
     /* 25 */ { "stime" },
     /* 26 */ { "ptrace" },
diff --git a/src/arch/power/linux/process.cc b/src/arch/power/linux/process.cc
index 217f0bd..7c55a57 100644
--- a/src/arch/power/linux/process.cc
+++ b/src/arch/power/linux/process.cc
@@ -120,7 +120,7 @@
     /* 20 */ { "getpid", getpidFunc },
     /* 21 */ { "mount" },
     /* 22 */ { "umount" },
-    /* 23 */ { "setuid", setuidFunc },
+    /* 23 */ { "setuid", ignoreFunc },
     /* 24 */ { "getuid", getuidFunc },
     /* 25 */ { "stime" },
     /* 26 */ { "ptrace" },
diff --git a/src/arch/riscv/linux/process.cc b/src/arch/riscv/linux/process.cc
index b20d09d..6f3f037 100644
--- a/src/arch/riscv/linux/process.cc
+++ b/src/arch/riscv/linux/process.cc
@@ -269,7 +269,7 @@
     {143,  { "setregid" }},
     {144,  { "setgid" }},
     {145,  { "setreuid" }},
-    {146,  { "setuid", setuidFunc }},
+    {146,  { "setuid", ignoreFunc }},
     {147,  { "setresuid" }},
     {148,  { "getresuid" }},
     {149,  { "getresgid" }},
@@ -601,7 +601,7 @@
     {143,  { "setregid" }},
     {144,  { "setgid" }},
     {145,  { "setreuid" }},
-    {146,  { "setuid", setuidFunc }},
+    {146,  { "setuid", ignoreFunc }},
     {147,  { "setresuid" }},
     {148,  { "getresuid" }},
     {149,  { "getresgid" }},
diff --git a/src/arch/sparc/linux/syscalls.cc b/src/arch/sparc/linux/syscalls.cc
index a166a51..65ad298 100644
--- a/src/arch/sparc/linux/syscalls.cc
+++ b/src/arch/sparc/linux/syscalls.cc
@@ -112,7 +112,7 @@
     /*  20 */ { "getpid", getpidFunc },
     /*  21 */ { "capget" },
     /*  22 */ { "capset" },
-    /*  23 */ { "setuid", setuidFunc }, // 32 bit
+    /*  23 */ { "setuid", ignoreFunc }, // 32 bit
     /*  24 */ { "getuid", getuidFunc }, // 32 bit
     /*  25 */ { "time" },
     /*  26 */ { "ptrace" },
@@ -418,7 +418,7 @@
     /* 20 */ { "getpid", getpidFunc },
     /* 21 */ { "capget" },
     /* 22 */ { "capset" },
-    /* 23 */ { "setuid", setuidFunc },
+    /* 23 */ { "setuid", ignoreFunc },
     /* 24 */ { "getuid", getuidFunc },
     /* 25 */ { "time" },
     /* 26 */ { "ptrace" },
diff --git a/src/arch/sparc/solaris/process.cc b/src/arch/sparc/solaris/process.cc
index 4c22f1e..e95f2d7 100644
--- a/src/arch/sparc/solaris/process.cc
+++ b/src/arch/sparc/solaris/process.cc
@@ -114,7 +114,7 @@
     /* 20 */ { "getpid", getpidFunc },
     /* 21 */ { "mount" },
     /* 22 */ { "umount" },
-    /* 23 */ { "setuid", setuidFunc },
+    /* 23 */ { "setuid", ignoreFunc },
     /* 24 */ { "getuid", getuidFunc },
     /* 25 */ { "stime" },
     /* 26 */ { "pcsample" },
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index e7efbaa..585465d 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -1014,14 +1014,6 @@
 
 
 SyscallReturn
-setuidFunc(SyscallDesc *desc, int callnum, ThreadContext *tc, int uid)
-{
-    // can't fathom why a benchmark would call this.
-    warn("Ignoring call to setuid(%d)\n", uid);
-    return 0;
-}
-
-SyscallReturn
 getpidFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 {
     auto process = tc->getProcessPtr();
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 69a583f..3e727e8 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -275,10 +275,6 @@
 /// Target fcntl64() handler.
 SyscallReturn fcntl64Func(SyscallDesc *desc, int num, ThreadContext *tc);
 
-/// Target setuid() handler.
-SyscallReturn setuidFunc(SyscallDesc *desc, int num, ThreadContext *tc,
-                         int uid);
-
 /// Target pipe() handler.
 SyscallReturn pipeFunc(SyscallDesc *desc, int num, ThreadContext *tc);