diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index 445f69e83e77..e4ee2d0e806e 100644
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -21,7 +21,6 @@
 #include <string.h>
 #include <stdarg.h>
 #include <unistd.h>
-#include <signal.h>
 #include <errno.h>
 
 #include "qemu.h"
diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index 267d8a8c7070..36d7398f4f29 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -24,7 +24,6 @@
 #include <stdarg.h>
 #include <string.h>
 #include <unistd.h>
-#include <signal.h>
 #include <inttypes.h>
 #include <time.h>
 #include <fcntl.h>
diff --git a/hw/net/xen_nic.c b/hw/net/xen_nic.c
index d7cbfc1033d9..0da16b44f40a 100644
--- a/hw/net/xen_nic.c
+++ b/hw/net/xen_nic.c
@@ -24,7 +24,6 @@
 #include <stdarg.h>
 #include <string.h>
 #include <unistd.h>
-#include <signal.h>
 #include <inttypes.h>
 #include <fcntl.h>
 #include <errno.h>
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 34cf60d2061e..38086cd0f2bb 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -34,7 +34,6 @@
 #include "sysemu/char.h"
 
 #include <sys/ioctl.h>
-#include <signal.h>
 #include <usbredirparser.h>
 #include <usbredirfilter.h>
 
diff --git a/os-win32.c b/os-win32.c
index c0daf8e189e4..cc09196d8bc1 100644
--- a/os-win32.c
+++ b/os-win32.c
@@ -26,7 +26,6 @@
 #include <mmsystem.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <signal.h>
 #include <time.h>
 #include <errno.h>
 #include <sys/time.h>
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 82e2245bfdb9..b1a5ad9a20f6 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "qemu/host-utils.h"
 #include "cpu.h"
diff --git a/target-mips/helper.c b/target-mips/helper.c
index f44edbbdbbc4..37bba6757c27 100644
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "cpu.h"
 #include "sysemu/kvm.h"
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index a533f08ea315..dc101cb3a403 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "cpu.h"
 
diff --git a/target-tricore/helper.c b/target-tricore/helper.c
index f52504c9f813..1808b281f53e 100644
--- a/target-tricore/helper.c
+++ b/target-tricore/helper.c
@@ -20,7 +20,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "cpu.h"
 
diff --git a/tests/tcg/testthread.c b/tests/tcg/testthread.c
index 2679af119ac2..810ba5de67b3 100644
--- a/tests/tcg/testthread.c
+++ b/tests/tcg/testthread.c
@@ -2,7 +2,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <signal.h>
 #include <unistd.h>
 #include <inttypes.h>
 #include <pthread.h>