diff --git a/main.c b/main.c
index f4ea80e..804ceba 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,4 @@
-#ifdef __GLIBC__
 #define _POSIX_C_SOURCE 200112L
-#endif
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/worker.c b/worker.c
index db279b0..fa1b361 100644
--- a/worker.c
+++ b/worker.c
@@ -1,6 +1,4 @@
-#ifdef __GLIBC__
 #define _POSIX_C_SOURCE 200112L
-#endif
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/yaml.c b/yaml.c
index 4649ac7..1f9e983 100644
--- a/yaml.c
+++ b/yaml.c
@@ -1,6 +1,4 @@
-#ifdef __GLIBC__
 #define _POSIX_C_SOURCE 200112L
-#endif
 
 #include <assert.h>
 #include <stdio.h>