diff --git a/ChangeLog b/ChangeLog
index 5c7c011f7b..613566a9f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-08-13  Florian Weimer  <fweimer@redhat.com>
+
+	* include/stdlib.h: (__strtof_nan, __strtod_nan, __strtold_nan)
+	(__wcstof_nan, __wcstod_nan, __wcstold_nan): Remove
+	internal_function.
+	* stdlib/sttod_nan_main.c (STRTOD_NAN): Likewise.
+
 2017-08-13  Florian Weimer  <fweimer@redhat.com>
 
 	* elf/dl-support.c (_dl_make_stack_executable_hook): Remove
diff --git a/include/stdlib.h b/include/stdlib.h
index 6fd868828b..c4a6e6f737 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -201,16 +201,12 @@ libc_hidden_proto (strtoll)
 libc_hidden_proto (strtoul)
 libc_hidden_proto (strtoull)
 
-extern float __strtof_nan (const char *, char **, char) internal_function;
-extern double __strtod_nan (const char *, char **, char) internal_function;
-extern long double __strtold_nan (const char *, char **, char)
-     internal_function;
-extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t)
-     internal_function;
-extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t)
-     internal_function;
-extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t)
-     internal_function;
+extern float __strtof_nan (const char *, char **, char);
+extern double __strtod_nan (const char *, char **, char);
+extern long double __strtold_nan (const char *, char **, char);
+extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t);
+extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t);
+extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t);
 
 libc_hidden_proto (__strtof_nan)
 libc_hidden_proto (__strtod_nan)
@@ -228,10 +224,8 @@ extern __typeof (strtof128_l) __strtof128_l;
 libc_hidden_proto (__strtof128_l)
 libc_hidden_proto (strtof128)
 
-extern _Float128 __strtof128_nan (const char *, char **, char)
-     internal_function;
-extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t)
-     internal_function;
+extern _Float128 __strtof128_nan (const char *, char **, char);
+extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t);
 
 libc_hidden_proto (__strtof128_nan)
 libc_hidden_proto (__wcstof128_nan)
diff --git a/stdlib/strtod_nan_main.c b/stdlib/strtod_nan_main.c
index 96b788cb1e..9f7dd14ad2 100644
--- a/stdlib/strtod_nan_main.c
+++ b/stdlib/strtod_nan_main.c
@@ -29,7 +29,6 @@
    return a default NAN.  If ENDPTR is not NULL, set *ENDPTR to point
    to the character after the initial n-char-sequence.  */
 
-internal_function
 FLOAT
 STRTOD_NAN (const STRING_TYPE *str, STRING_TYPE **endptr, STRING_TYPE endc)
 {