diff --git a/os/os_mac.v b/os/os_mac.v
index 9684246e1e..fbcfa3bd11 100644
--- a/os/os_mac.v
+++ b/os/os_mac.v
@@ -4,9 +4,9 @@
 
 module os
 
-#include    <execinfo.h>
+//#include <execinfo.h> // for backtrace_symbols_fd 
 #include <signal.h>
-#include  <unistd.h>
+#include <unistd.h>
 #include <dirent.h>
 #include <errno.h>
 // import darwin
@@ -62,10 +62,12 @@ fn ls(path string) []string {
 }
 
 fn print_backtrace() {
+/* 
 	# void *buffer[100];
 	nptrs := 0
 	# nptrs = backtrace(buffer, 100);
 	# printf("%d!!\n", nptrs);
 	# backtrace_symbols_fd(buffer, nptrs, STDOUT_FILENO) ;
+*/ 
 }
 
diff --git a/time/time.v b/time/time.v
index f29034ef94..9e068274ea 100644
--- a/time/time.v
+++ b/time/time.v
@@ -18,7 +18,7 @@ pub:
 	uni    int // TODO it's safe to use "unix" now
 }
 
-fn asfd() {
+fn remove_me_when_c_bug_is_fixed() { // TODO 
 }
 
 struct C.tm {