5 files changed, 2 insertions, 10 deletions
diff --git a/config.mk b/config.mk
index c570914..06b69fa 100644
--- a/config.mk
+++ b/config.mk
@@ -9,7 +9,8 @@ MANPREFIX = ${PREFIX}/share/man
 INCS = -I.
 LIBS = -lc -lncursesw
 
-CFLAGS += -std=c99 -Os ${INCS} -DVERSION=\"${VERSION}\" -DNDEBUG
+CFLAGS += -std=c99 -Os ${INCS} -DVERSION=\"${VERSION}\" -DNDEBUG -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700
+
 LDFLAGS += ${LIBS}
 
 DEBUG_CFLAGS = ${CFLAGS} -UNDEBUG -O0 -g -ggdb -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter
diff --git a/editor.c b/editor.c
index f0123c9..477e069 100644
--- a/editor.c
+++ b/editor.c
@@ -1,5 +1,3 @@
-#define _DEFAULT_SOURCE
-#define _BSD_SOURCE
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
diff --git a/text.c b/text.c
index 6a213bf..004de22 100644
--- a/text.c
+++ b/text.c
@@ -13,8 +13,6 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#define _DEFAULT_SOURCE
-#define _BSD_SOURCE
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/vis.c b/vis.c
index 30cf126..fde2b68 100644
--- a/vis.c
+++ b/vis.c
@@ -13,10 +13,6 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#define _DEFAULT_SOURCE
-#define _POSIX_SOURCE
-/* Necessary for SIGWINCH on OpenBSD */
-#define _BSD_SOURCE
 #include <locale.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/window.c b/window.c
index 43bae70..82178ec 100644
--- a/window.c
+++ b/window.c
@@ -13,7 +13,6 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#define _XOPEN_SOURCE
 #include <string.h>
 #include <stdlib.h>
 #include <wchar.h>