diff --git a/libs/libglibc-compatibility/glibc-compatibility.c b/libs/libglibc-compatibility/glibc-compatibility.c
index 5524017b61f..cb0dd617bdf 100644
--- a/libs/libglibc-compatibility/glibc-compatibility.c
+++ b/libs/libglibc-compatibility/glibc-compatibility.c
@@ -1,4 +1,13 @@
-#include "glibc-compatibility.h"
+/** Allows to build programs with libc 2.18 and run on systems with at least libc 2.11,
+  *  such as Ubuntu Lucid or CentOS 6.
+  *
+  * Highly experimental, not recommended, disabled by default.
+  *
+  * Also look at http://www.lightofdawn.org/wiki/wiki.cgi/NewAppsOnOldGlibc
+  *
+  * If you want even older systems, such as Ubuntu Hardy,
+  *  add fallocate, pipe2, __longjmp_chk, __vasprintf_chk.
+  */
 
 #if defined (__cplusplus)
 extern "C" {
@@ -14,6 +23,8 @@ long int __fdelt_chk(long int d)
     return d / __NFDBITS;
 }
 
+#include <sys/poll.h>
+#include <stddef.h>
 
 int __poll_chk(struct pollfd * fds, nfds_t nfds, int timeout, size_t fdslen)
 {
@@ -22,12 +33,15 @@ int __poll_chk(struct pollfd * fds, nfds_t nfds, int timeout, size_t fdslen)
     return poll(fds, nfds, timeout);
 }
 
+#include <pthread.h>
 
 size_t __pthread_get_minstack(const pthread_attr_t * attr)
 {
     return 1048576;        /// This is a guess. Don't sure it is correct.
 }
 
+#include <signal.h>
+#include <unistd.h>
 #include <string.h>
 #include <sys/syscall.h>
 
diff --git a/libs/libglibc-compatibility/glibc-compatibility.h b/libs/libglibc-compatibility/glibc-compatibility.h
deleted file mode 100644
index aeea2fc4adb..00000000000
--- a/libs/libglibc-compatibility/glibc-compatibility.h
+++ /dev/null
@@ -1,37 +0,0 @@
-#pragma once
-
-/** Allows to build programs with libc 2.18 and run on systems with at least libc 2.11,
-  *  such as Ubuntu Lucid or CentOS 6.
-  *
-  * Highly experimental, not recommended, disabled by default.
-  *
-  * Also look at http://www.lightofdawn.org/wiki/wiki.cgi/NewAppsOnOldGlibc
-  *
-  * If you want even older systems, such as Ubuntu Hardy,
-  *  add fallocate, pipe2, __longjmp_chk, __vasprintf_chk.
-  */
-
-#if defined (__cplusplus)
-extern "C" {
-#endif
-
-
-__attribute__((__weak__)) long int __fdelt_chk(long int d);
-
-#include <sys/poll.h>
-#include <stddef.h>
-
-__attribute__((__weak__)) int __poll_chk(struct pollfd * fds, nfds_t nfds, int timeout, size_t fdslen);
-
-#include <pthread.h>
-
-__attribute__((__weak__)) size_t __pthread_get_minstack(const pthread_attr_t * attr);
-
-#include <signal.h>
-#include <unistd.h>
-
-__attribute__((__weak__)) int __gai_sigqueue(int sig, const union sigval val, pid_t caller_pid);
-
-#if defined (__cplusplus)
-}
-#endif