diff --git a/src/common/log.c b/src/common/log.c
index 7eb73ccff6e96aa8fc6a38a148762d90d456438a..22338702d72e062182e9bae8dfbefa78fba9fef1 100644
--- a/src/common/log.c
+++ b/src/common/log.c
@@ -14,7 +14,6 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define _BSD_SOURCE
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>