diff --git a/m4/check-hardening-options.m4 b/m4/check-hardening-options.m4
index 869f00b..c8ab12e 100644
--- a/m4/check-hardening-options.m4
+++ b/m4/check-hardening-options.m4
@@ -73,7 +73,9 @@ AC_DEFUN([CHECK_C_HARDENING_OPTIONS], [
 		CHECK_CFLAG([[-fno-strict-overflow]])
 
 		# _FORTIFY_SOURCE replaces builtin functions with safer versions.
-		AX_ADD_FORTIFY_SOURCE
+		AS_IF([test "x$HOST_OS" != "xwin"], [
+			AX_ADD_FORTIFY_SOURCE
+		])
 
 		# Enable read only relocations
 		CHECK_LDFLAG([[-Wl,-z,relro]])
diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4
index 9343bc2..644bf71 100644
--- a/m4/check-os-options.m4
+++ b/m4/check-os-options.m4
@@ -112,7 +112,7 @@ char buf[1]; getentropy(buf, 1);
 		CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS"
 		CPPFLAGS="$CPPFLAGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600"
 		CPPFLAGS="$CPPFLAGS"
-		AC_SUBST([PLATFORM_LDADD], ['-lws2_32 -lbcrypt -lssp'])
+		AC_SUBST([PLATFORM_LDADD], ['-lws2_32 -lbcrypt'])
 		;;
 	*solaris*)
 		HOST_OS=solaris