diff --git a/libc/bionic/sys_msg.cpp b/libc/bionic/sys_msg.cpp
index 4880356..462c83b 100644
--- a/libc/bionic/sys_msg.cpp
+++ b/libc/bionic/sys_msg.cpp
@@ -32,9 +32,8 @@
 #include <unistd.h>
 
 int msgctl(int id, int cmd, msqid_ds* buf) {
-#if !defined(__LP64__) || defined(__mips__)
+#if !defined(__LP64__)
   // Annoyingly, the kernel requires this for 32-bit but rejects it for 64-bit.
-  // Mips64 is an exception to this, it requires the flag.
   cmd |= IPC_64;
 #endif
 #if defined(SYS_msgctl)
diff --git a/libc/bionic/sys_sem.cpp b/libc/bionic/sys_sem.cpp
index 5e2a05c..058cfef 100644
--- a/libc/bionic/sys_sem.cpp
+++ b/libc/bionic/sys_sem.cpp
@@ -33,9 +33,8 @@
 #include <unistd.h>
 
 int semctl(int id, int num, int cmd, ...) {
-#if !defined(__LP64__) || defined(__mips__)
+#if !defined(__LP64__)
   // Annoyingly, the kernel requires this for 32-bit but rejects it for 64-bit.
-  // Mips64 is an exception to this, it requires the flag.
   cmd |= IPC_64;
 #endif
   va_list ap;
diff --git a/libc/bionic/sys_shm.cpp b/libc/bionic/sys_shm.cpp
index f3b26e7..f780e04 100644
--- a/libc/bionic/sys_shm.cpp
+++ b/libc/bionic/sys_shm.cpp
@@ -45,9 +45,8 @@
 }
 
 int shmctl(int id, int cmd, struct shmid_ds* buf) {
-#if !defined(__LP64__) || defined(__mips__)
+#if !defined(__LP64__)
   // Annoyingly, the kernel requires this for 32-bit but rejects it for 64-bit.
-  // Mips64 is an exception to this, it requires the flag.
   cmd |= IPC_64;
 #endif
 #if defined(SYS_shmctl)