diff --git a/ctru-rs/src/test_runner.rs b/ctru-rs/src/test_runner.rs
index ff3a459..3c7aa9a 100644
--- a/ctru-rs/src/test_runner.rs
+++ b/ctru-rs/src/test_runner.rs
@@ -115,9 +115,4 @@ mod link_fix {
     extern "C" fn sigemptyset(_arg1: *mut libc::sigset_t) -> ::libc::c_int {
         -1
     }
-
-    #[no_mangle]
-    extern "C" fn sysconf(_name: libc::c_int) -> libc::c_long {
-        -1
-    }
 }