diff --git a/meson.build b/meson.build
index a8d7134a44..ff7f1caa4b 100644
--- a/meson.build
+++ b/meson.build
@@ -115,7 +115,6 @@ check_headers = [
   ['HAVE_PROCESS_H', 'process.h'],
   ['HAVE_SMMINTRIN_H', 'smmintrin.h'],
   ['HAVE_STDINT_H', 'stdint.h'],
-  ['HAVE_STDLIB_H', 'stdlib.h'],
   ['HAVE_STRINGS_H', 'strings.h'],
   ['HAVE_STRING_H', 'string.h'],
   ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
diff --git a/tests/icles/playback/test4.c b/tests/icles/playback/test4.c
index d036d7f0bd..bf3d66e485 100644
--- a/tests/icles/playback/test4.c
+++ b/tests/icles/playback/test4.c
@@ -19,12 +19,8 @@
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
-#ifdef HAVE_STDLIB_H
+
 #include <stdlib.h>             /* exit() */
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
 
 #include <gst/gst.h>
 
diff --git a/tests/icles/playback/test5.c b/tests/icles/playback/test5.c
index b841116fe1..0f7f7b7543 100644
--- a/tests/icles/playback/test5.c
+++ b/tests/icles/playback/test5.c
@@ -19,12 +19,9 @@
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_STDLIB_H
+
 #include <stdlib.h>             /* exit */
-#endif
+
 #include <gst/gst.h>
 
 static GMainLoop *loop;
diff --git a/tests/icles/playback/test6.c b/tests/icles/playback/test6.c
index 144f99b4eb..25f04de39e 100644
--- a/tests/icles/playback/test6.c
+++ b/tests/icles/playback/test6.c
@@ -19,12 +19,9 @@
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_STDLIB_H
+
 #include <stdlib.h>             /* exit */
-#endif
+
 #include <gst/gst.h>
 
 static void
diff --git a/tests/icles/playback/test7.c b/tests/icles/playback/test7.c
index b9abcb5b76..90544ff05e 100644
--- a/tests/icles/playback/test7.c
+++ b/tests/icles/playback/test7.c
@@ -19,9 +19,7 @@
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
-#ifdef HAVE_STDLIB_H
 #include <stdlib.h>             /* exit() */
-#endif
 #include <gst/gst.h>
 
 #define UPDATE_INTERVAL 500