diff --git a/libraries/AP_Common/AP_Common.h b/libraries/AP_Common/AP_Common.h
index 8c7d9fe022..e16dbaddb9 100644
--- a/libraries/AP_Common/AP_Common.h
+++ b/libraries/AP_Common/AP_Common.h
@@ -23,7 +23,6 @@
 #include <AP_HAL/AP_HAL_Boards.h>
 #include <stdint.h>
 #include <stdlib.h>
-#include <stdbool.h>
 
 // used to pack structures
 #define PACKED __attribute__((__packed__))
diff --git a/libraries/AP_HAL/AP_HAL.h b/libraries/AP_HAL/AP_HAL.h
index 51ba7a746c..e5aa977981 100644
--- a/libraries/AP_HAL/AP_HAL.h
+++ b/libraries/AP_HAL/AP_HAL.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include <stdint.h>
-#include <stdbool.h>
 
 #include "AP_HAL_Namespace.h"
 #include "AP_HAL_Boards.h"
diff --git a/libraries/AP_HAL/utility/RingBuffer.h b/libraries/AP_HAL/utility/RingBuffer.h
index b5b57b9d54..937c44b2c0 100644
--- a/libraries/AP_HAL/utility/RingBuffer.h
+++ b/libraries/AP_HAL/utility/RingBuffer.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include <atomic>
-#include <stdbool.h>
 #include <stdint.h>
 
 /*
diff --git a/libraries/AP_HAL/utility/dsm.cpp b/libraries/AP_HAL/utility/dsm.cpp
index 92f0e269cc..369db31238 100644
--- a/libraries/AP_HAL/utility/dsm.cpp
+++ b/libraries/AP_HAL/utility/dsm.cpp
@@ -36,7 +36,6 @@
  ****************************************************************************/
 
 #include <stdint.h>
-#include <stdbool.h>
 #include <stdio.h>
 
 #include "dsm.h"
diff --git a/libraries/AP_HAL/utility/getopt_cpp.h b/libraries/AP_HAL/utility/getopt_cpp.h
index eb10c039a2..7c17d8b9d0 100644
--- a/libraries/AP_HAL/utility/getopt_cpp.h
+++ b/libraries/AP_HAL/utility/getopt_cpp.h
@@ -10,7 +10,6 @@
  */
 #pragma once
 
-#include <stdbool.h>
 
 class GetOptLong {
 public:
diff --git a/libraries/AP_HAL/utility/srxl.cpp b/libraries/AP_HAL/utility/srxl.cpp
index 872ca30231..7f334673b5 100644
--- a/libraries/AP_HAL/utility/srxl.cpp
+++ b/libraries/AP_HAL/utility/srxl.cpp
@@ -22,7 +22,6 @@
 
 #include <stdio.h>
 #include <stdint.h>
-#include <stdbool.h>
 #include <string.h>
 #include "srxl.h"
 
diff --git a/libraries/AP_HAL/utility/st24.cpp b/libraries/AP_HAL/utility/st24.cpp
index 525f43f03a..80c8643d72 100644
--- a/libraries/AP_HAL/utility/st24.cpp
+++ b/libraries/AP_HAL/utility/st24.cpp
@@ -43,7 +43,6 @@
  * @author Lorenz Meier <lm@inf.ethz.ch>
  */
 
-#include <stdbool.h>
 #include <stdio.h>
 #include <stdint.h>
 #include "st24.h"
diff --git a/libraries/AP_HAL/utility/sumd.cpp b/libraries/AP_HAL/utility/sumd.cpp
index a36e7ef123..7b4b0af86e 100644
--- a/libraries/AP_HAL/utility/sumd.cpp
+++ b/libraries/AP_HAL/utility/sumd.cpp
@@ -43,7 +43,6 @@
  * @author Marco Bauer <marco@wtns.de>
  */
 
-#include <stdbool.h>
 #include <stdio.h>
 #include <stdint.h>
 #include "sumd.h"
diff --git a/libraries/AP_HAL_Linux/Flow_PX4.cpp b/libraries/AP_HAL_Linux/Flow_PX4.cpp
index 253bf2fc9c..bdd5a2fa3e 100644
--- a/libraries/AP_HAL_Linux/Flow_PX4.cpp
+++ b/libraries/AP_HAL_Linux/Flow_PX4.cpp
@@ -43,7 +43,6 @@
 #include "Flow_PX4.h"
 
 #include <cmath>
-#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 
diff --git a/libraries/AP_HAL_Linux/qflight/dsp_functions.cpp b/libraries/AP_HAL_Linux/qflight/dsp_functions.cpp
index e829d6227f..86c8c65f16 100644
--- a/libraries/AP_HAL_Linux/qflight/dsp_functions.cpp
+++ b/libraries/AP_HAL_Linux/qflight/dsp_functions.cpp
@@ -29,7 +29,6 @@ extern "C" {
 #include <types.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include <stdbool.h>
 #include <stdint.h>
 #include <stdarg.h>
 #include <sys/timespec.h>
diff --git a/libraries/AP_HAL_Linux/sbus.cpp b/libraries/AP_HAL_Linux/sbus.cpp
index ac18a5d5db..982bcfd7a9 100644
--- a/libraries/AP_HAL_Linux/sbus.cpp
+++ b/libraries/AP_HAL_Linux/sbus.cpp
@@ -36,7 +36,6 @@
  ****************************************************************************/
 
 #include <stdint.h>
-#include <stdbool.h>
 
 #include "sbus.h"
 
diff --git a/libraries/AP_HAL_QURT/mainapp/mainapp.cpp b/libraries/AP_HAL_QURT/mainapp/mainapp.cpp
index c2ea44b5df..eefd1863fd 100644
--- a/libraries/AP_HAL_QURT/mainapp/mainapp.cpp
+++ b/libraries/AP_HAL_QURT/mainapp/mainapp.cpp
@@ -8,7 +8,6 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdbool.h>
 #include <time.h>
 #include <errno.h>
 #include <AP_HAL/utility/Socket.h>