diff --git a/src/java.base/unix/native/libjsig/jsig.c b/src/java.base/unix/native/libjsig/jsig.c
index 1a0a6bec892..180dd583393 100644
--- a/src/java.base/unix/native/libjsig/jsig.c
+++ b/src/java.base/unix/native/libjsig/jsig.c
@@ -42,14 +42,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-
-#if (__STDC_VERSION__ >= 199901L)
-  #include <stdbool.h>
-#else
-  #define bool int
-  #define true 1
-  #define false 0
-#endif
+#include <stdbool.h>
 
 #define MAX_SIGNALS NSIG
 
diff --git a/src/utils/hsdis/binutils/hsdis-binutils.c b/src/utils/hsdis/binutils/hsdis-binutils.c
index fda6a53a6d3..3e3362cac94 100644
--- a/src/utils/hsdis/binutils/hsdis-binutils.c
+++ b/src/utils/hsdis/binutils/hsdis-binutils.c
@@ -61,14 +61,10 @@
 
 #include <bfd.h>
 #include <dis-asm.h>
+#include <stdbool.h>
 
 #include "hsdis.h"
 
-#ifndef bool
-#define bool int
-#define true 1
-#define false 0
-#endif /*bool*/
 
 /* short names for stuff in hsdis.h */
 typedef decode_instructions_event_callback_ftype  event_callback_t;