diff --git a/libc/include/math.h b/libc/include/math.h
index 3b12764..4437b81 100644
--- a/libc/include/math.h
+++ b/libc/include/math.h
@@ -169,7 +169,7 @@
 double	fmin(double, double) __pure2;
 double	nearbyint(double);
 double	round(double);
-double scalbln(double, long) __INTRODUCED_IN_X86(18);
+double scalbln(double, long) __INTRODUCED_IN_X86(18) __VERSIONER_NO_GUARD;
 double scalbn(double, int);
 double	tgamma(double);
 double	trunc(double);
@@ -230,7 +230,7 @@
 float	remainderf(float, float);
 float	remquof(float, float, int *);
 float	rintf(float);
-float	scalblnf(float, long) __INTRODUCED_IN_X86(18);
+float	scalblnf(float, long) __INTRODUCED_IN_X86(18) __VERSIONER_NO_GUARD;
 float scalbnf(float, int);
 float	truncf(float);
 
@@ -290,7 +290,7 @@
 long double remquol(long double, long double, int*) __INTRODUCED_IN(21);
 long double rintl(long double) __INTRODUCED_IN(21);
 long double roundl(long double);
-long double scalblnl(long double, long) __INTRODUCED_IN_X86(18);
+long double scalblnl(long double, long) __INTRODUCED_IN_X86(18) __VERSIONER_NO_GUARD;
 long double scalbnl(long double, int);
 long double sinhl(long double) __INTRODUCED_IN(21);
 long double sinl(long double) __INTRODUCED_IN(21);