--- a/src/libm-tester/testerutil.h	2023-04-12 22:07:52.400469592 +0200
+++ b/src/libm-tester/testerutil.h	2023-04-12 22:08:03.404312574 +0200
@@ -90,7 +90,5 @@
 double countULPsp(float d, mpfr_t c);
 double countULP2sp(float d, mpfr_t c);
 
-void mpfr_sinpi(mpfr_t ret, mpfr_t arg, mpfr_rnd_t rnd);
-void mpfr_cospi(mpfr_t ret, mpfr_t arg, mpfr_rnd_t rnd);
 void mpfr_lgamma_nosign(mpfr_t ret, mpfr_t arg, mpfr_rnd_t rnd);
 #endif
--- a/src/libm-tester/testerutil.c	2023-04-12 22:07:55.045431845 +0200
+++ b/src/libm-tester/testerutil.c	2023-04-12 22:08:23.275029908 +0200
@@ -289,7 +289,7 @@
 }
 
 //
-
+#if 0
 void mpfr_sinpi(mpfr_t ret, mpfr_t arg, mpfr_rnd_t rnd) {
   mpfr_t frpi, frd;
   mpfr_inits(frpi, frd, NULL);
@@ -315,7 +315,7 @@
 
   mpfr_clears(frpi, frd, NULL);
 }
-
+#endif
 void mpfr_lgamma_nosign(mpfr_t ret, mpfr_t arg, mpfr_rnd_t rnd) {
   int s;
   mpfr_lgamma(ret, &s, arg, rnd);