diff --git a/libc/arch-x86_64/syscalls/clock_gettime.S b/libc/arch-x86_64/syscalls/__clock_gettime.S
similarity index 78%
rename from libc/arch-x86_64/syscalls/clock_gettime.S
rename to libc/arch-x86_64/syscalls/__clock_gettime.S
index 20850c8..7e553b8 100644
--- a/libc/arch-x86_64/syscalls/clock_gettime.S
+++ b/libc/arch-x86_64/syscalls/__clock_gettime.S
@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(clock_gettime)
+ENTRY(__clock_gettime)
     movl    $__NR_clock_gettime, %eax
     syscall
     cmpq    $-MAX_ERRNO, %rax
@@ -12,4 +12,5 @@
     call    __set_errno
 1:
     ret
-END(clock_gettime)
+END(__clock_gettime)
+.hidden __clock_gettime
diff --git a/libc/arch-x86_64/syscalls/gettimeofday.S b/libc/arch-x86_64/syscalls/__gettimeofday.S
similarity index 79%
rename from libc/arch-x86_64/syscalls/gettimeofday.S
rename to libc/arch-x86_64/syscalls/__gettimeofday.S
index 4867c30..a38eb64 100644
--- a/libc/arch-x86_64/syscalls/gettimeofday.S
+++ b/libc/arch-x86_64/syscalls/__gettimeofday.S
@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(gettimeofday)
+ENTRY(__gettimeofday)
     movl    $__NR_gettimeofday, %eax
     syscall
     cmpq    $-MAX_ERRNO, %rax
@@ -12,4 +12,5 @@
     call    __set_errno
 1:
     ret
-END(gettimeofday)
+END(__gettimeofday)
+.hidden __gettimeofday