Index: src/OFSystemInfo.m
==================================================================
--- src/OFSystemInfo.m
+++ src/OFSystemInfo.m
@@ -352,12 +352,11 @@
 # if defined(OF_MACOS) || defined(OF_IOS)
 	char pathC[PATH_MAX];
 	OFMutableString *path;
 
 #  ifdef HAVE_SYSDIR_START_SEARCH_PATH_ENUMERATION
-	/* (1) to disable dead code warning when it is not a weak symbol */
-	if ((1) && &sysdir_start_search_path_enumeration != NULL) {
+	if (@available(macOS 10.12, iOS 10, *)) {
 		sysdir_search_path_enumeration_state state;
 
 		state = sysdir_start_search_path_enumeration(
 		    SYSDIR_DIRECTORY_APPLICATION_SUPPORT,
 		    SYSDIR_DOMAIN_MASK_USER);
@@ -445,12 +444,11 @@
 # if defined(OF_MACOS) || defined(OF_IOS)
 	char pathC[PATH_MAX];
 	OFMutableString *path;
 
 #  ifdef HAVE_SYSDIR_START_SEARCH_PATH_ENUMERATION
-	/* (1) to disable dead code warning when it is not a weak symbol */
-	if ((1) && &sysdir_start_search_path_enumeration != NULL) {
+	if (@available(macOS 10.12, iOS 10, *)) {
 		sysdir_search_path_enumeration_state state;
 
 		state = sysdir_start_search_path_enumeration(
 		    SYSDIR_DIRECTORY_LIBRARY, SYSDIR_DOMAIN_MASK_USER);
 		if (sysdir_get_next_search_path_enumeration(state, pathC) == 0)