diff --git a/src/unix/notbsd/linux/musl/b32/x86.rs b/src/unix/notbsd/linux/musl/b32/x86.rs
index 09f2d3ee39885..c3c0a18a64545 100644
--- a/src/unix/notbsd/linux/musl/b32/x86.rs
+++ b/src/unix/notbsd/linux/musl/b32/x86.rs
@@ -354,9 +354,6 @@ pub const TIOCMSET: ::c_int = 0x5418;
 pub const FIONREAD: ::c_int = 0x541B;
 pub const TIOCCONS: ::c_int = 0x541D;
 
-pub const SYS_gettid: ::c_long = 224;
-pub const SYS_perf_event_open: ::c_long = 336;
-
 pub const POLLWRNORM: ::c_short = 0x100;
 pub const POLLWRBAND: ::c_short = 0x200;
 
diff --git a/src/unix/notbsd/linux/musl/b64/x86_64.rs b/src/unix/notbsd/linux/musl/b64/x86_64.rs
index 880ceb58cd416..348ba49c4116a 100644
--- a/src/unix/notbsd/linux/musl/b64/x86_64.rs
+++ b/src/unix/notbsd/linux/musl/b64/x86_64.rs
@@ -16,10 +16,6 @@ s! {
     }
 }
 
-pub const SYS_gettid: ::c_long = 186;
-
-pub const SYS_perf_event_open: ::c_long = 298;
-
 // Syscall table
 
 pub const SYS_read: ::c_long = 0;