diff --git a/common.h b/common.h
index 6b65c37d1..e045e42b2 100644
--- a/common.h
+++ b/common.h
@@ -332,12 +332,13 @@ typedef int blasint;
 #endif
 #endif
 
-
+/*
 #ifdef PILEDRIVER
 #ifndef YIELDING
 #define YIELDING        __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
 #endif
 #endif
+*/
 
 /*
 #ifdef STEAMROLLER