diff --git a/third_party/pffft/src/pffft.c b/third_party/pffft/src/pffft.c
index 7934db448a09..2e0c2f651438 100644
--- a/third_party/pffft/src/pffft.c
+++ b/third_party/pffft/src/pffft.c
@@ -59,7 +59,7 @@
 
 #include "pffft.h"
 #include <stdlib.h>
-#include <stdio.h>
+// #include <stdio.h>
 #include <math.h>
 #include <assert.h>
 
@@ -222,31 +222,35 @@ void validate_pffft_simd() {
   memcpy(a3.f, f+12, 4*sizeof(float));
 
   t = a0; u = a1; t.v = VZERO();
-  printf("VZERO=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]); assertv4(t, 0, 0, 0, 0);
+  // printf("VZERO=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
+  assertv4(t, 0, 0, 0, 0);
   t.v = VADD(a1.v, a2.v);
-  printf("VADD(4:7,8:11)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]); assertv4(t, 12, 14, 16, 18);
+  // printf("VADD(4:7,8:11)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
+  assertv4(t, 12, 14, 16, 18);
   t.v = VMUL(a1.v, a2.v);
-  printf("VMUL(4:7,8:11)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]); assertv4(t, 32, 45, 60, 77);
+  // printf("VMUL(4:7,8:11)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
+  assertv4(t, 32, 45, 60, 77);
   t.v = VMADD(a1.v, a2.v,a0.v);
-  printf("VMADD(4:7,8:11,0:3)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]); assertv4(t, 32, 46, 62, 80);
+  // printf("VMADD(4:7,8:11,0:3)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
+  assertv4(t, 32, 46, 62, 80);
 
   INTERLEAVE2(a1.v,a2.v,t.v,u.v);
-  printf("INTERLEAVE2(4:7,8:11)=[%2g %2g %2g %2g] [%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3], u.f[0], u.f[1], u.f[2], u.f[3]);
+  // printf("INTERLEAVE2(4:7,8:11)=[%2g %2g %2g %2g] [%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3], u.f[0], u.f[1], u.f[2], u.f[3]);
   assertv4(t, 4, 8, 5, 9); assertv4(u, 6, 10, 7, 11);
   UNINTERLEAVE2(a1.v,a2.v,t.v,u.v);
-  printf("UNINTERLEAVE2(4:7,8:11)=[%2g %2g %2g %2g] [%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3], u.f[0], u.f[1], u.f[2], u.f[3]);
+  // printf("UNINTERLEAVE2(4:7,8:11)=[%2g %2g %2g %2g] [%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3], u.f[0], u.f[1], u.f[2], u.f[3]);
   assertv4(t, 4, 6, 8, 10); assertv4(u, 5, 7, 9, 11);
 
   t.v=LD_PS1(f[15]);
-  printf("LD_PS1(15)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
+  // printf("LD_PS1(15)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
   assertv4(t, 15, 15, 15, 15);
   t.v = VSWAPHL(a1.v, a2.v);
-  printf("VSWAPHL(4:7,8:11)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
+  // printf("VSWAPHL(4:7,8:11)=[%2g %2g %2g %2g]\n", t.f[0], t.f[1], t.f[2], t.f[3]);
   assertv4(t, 8, 9, 6, 7);
   VTRANSPOSE4(a0.v, a1.v, a2.v, a3.v);
-  printf("VTRANSPOSE4(0:3,4:7,8:11,12:15)=[%2g %2g %2g %2g] [%2g %2g %2g %2g] [%2g %2g %2g %2g] [%2g %2g %2g %2g]\n", 
-         a0.f[0], a0.f[1], a0.f[2], a0.f[3], a1.f[0], a1.f[1], a1.f[2], a1.f[3], 
-         a2.f[0], a2.f[1], a2.f[2], a2.f[3], a3.f[0], a3.f[1], a3.f[2], a3.f[3]); 
+  // printf("VTRANSPOSE4(0:3,4:7,8:11,12:15)=[%2g %2g %2g %2g] [%2g %2g %2g %2g] [%2g %2g %2g %2g] [%2g %2g %2g %2g]\n", 
+  //        a0.f[0], a0.f[1], a0.f[2], a0.f[3], a1.f[0], a1.f[1], a1.f[2], a1.f[3], 
+  //        a2.f[0], a2.f[1], a2.f[2], a2.f[3], a3.f[0], a3.f[1], a3.f[2], a3.f[3]); 
   assertv4(a0, 0, 4, 8, 12); assertv4(a1, 1, 5, 9, 13); assertv4(a2, 2, 6, 10, 14); assertv4(a3, 3, 7, 11, 15);
 }
 #endif //!PFFFT_SIMD_DISABLE