diff --git a/mingw-w64-crt/def-include/msvcrt-common.def.in b/mingw-w64-crt/def-include/msvcrt-common.def.in
index 34636ae..33975d4 100644
--- a/mingw-w64-crt/def-include/msvcrt-common.def.in
+++ b/mingw-w64-crt/def-include/msvcrt-common.def.in
@@ -222,6 +222,12 @@
 tanl == tan
 #endif
 
+; This is list of symbol aliases for C11 functions
+#ifdef UCRTBASE
+F32(timespec_get == _timespec32_get)
+F64(timespec_get == _timespec64_get)
+#endif
+
 ; This is list of symbol aliases for POSIX functions
 ADD_DOUBLE_UNDERSCORE(isascii)
 ADD_DOUBLE_UNDERSCORE(toascii)
diff --git a/mingw-w64-crt/lib-common/ucrtbase.def.in b/mingw-w64-crt/lib-common/ucrtbase.def.in
index c415cfc..7453c24 100644
--- a/mingw-w64-crt/lib-common/ucrtbase.def.in
+++ b/mingw-w64-crt/lib-common/ucrtbase.def.in
@@ -2631,7 +2631,3 @@
 
 #define UCRTBASE
 #include "msvcrt-common.def.in"
-
-; These functions may satisfy configure scripts.
-F32(timespec_get == _timespec32_get)
-F64(timespec_get == _timespec64_get)