diff --git a/contrib/rdmacm-mux/main.c b/contrib/rdmacm-mux/main.c
index 21cc804367..30c7052651 100644
--- a/contrib/rdmacm-mux/main.c
+++ b/contrib/rdmacm-mux/main.c
@@ -14,16 +14,16 @@
  */
 
 #include "qemu/osdep.h"
-#include "sys/poll.h"
-#include "sys/ioctl.h"
-#include "pthread.h"
-#include "syslog.h"
+#include <sys/poll.h>
+#include <sys/ioctl.h>
+#include <pthread.h>
+#include <syslog.h>
 
-#include "infiniband/verbs.h"
-#include "infiniband/umad.h"
-#include "infiniband/umad_types.h"
-#include "infiniband/umad_sa.h"
-#include "infiniband/umad_cm.h"
+#include <infiniband/verbs.h>
+#include <infiniband/umad.h>
+#include <infiniband/umad_types.h>
+#include <infiniband/umad_sa.h>
+#include <infiniband/umad_cm.h>
 
 #include "rdmacm-mux.h"
 
diff --git a/contrib/rdmacm-mux/rdmacm-mux.h b/contrib/rdmacm-mux/rdmacm-mux.h
index 942a802c47..07a4722913 100644
--- a/contrib/rdmacm-mux/rdmacm-mux.h
+++ b/contrib/rdmacm-mux/rdmacm-mux.h
@@ -17,9 +17,9 @@
 #define RDMACM_MUX_H
 
 #include "linux/if.h"
-#include "infiniband/verbs.h"
-#include "infiniband/umad.h"
-#include "rdma/rdma_user_cm.h"
+#include <infiniband/verbs.h>
+#include <infiniband/umad.h>
+#include <rdma/rdma_user_cm.h>
 
 typedef enum RdmaCmMuxMsgType {
     RDMACM_MUX_MSG_TYPE_REQ   = 0,
diff --git a/hw/rdma/rdma_utils.h b/hw/rdma/rdma_utils.h
index 2d42249691..e7babe96cb 100644
--- a/hw/rdma/rdma_utils.h
+++ b/hw/rdma/rdma_utils.h
@@ -20,7 +20,6 @@
 #include "qemu/error-report.h"
 #include "hw/pci/pci.h"
 #include "sysemu/dma.h"
-#include "stdio.h"
 
 #define rdma_error_report(fmt, ...) \
     error_report("%s: " fmt, "rdma", ## __VA_ARGS__)
diff --git a/target/i386/whp-dispatch.h b/target/i386/whp-dispatch.h
index 4ae3cc8fa5..a23fb33a29 100644
--- a/target/i386/whp-dispatch.h
+++ b/target/i386/whp-dispatch.h
@@ -1,4 +1,4 @@
-#include "windows.h"
+#include <windows.h>
 
 #include <WinHvPlatform.h>
 #include <WinHvEmulation.h>
diff --git a/target/i386/whpx-all.c b/target/i386/whpx-all.c
index 57e53e1f1f..31d47320e4 100644
--- a/target/i386/whpx-all.c
+++ b/target/i386/whpx-all.c
@@ -13,7 +13,6 @@
 #include "exec/address-spaces.h"
 #include "exec/ioport.h"
 #include "qemu-common.h"
-#include "strings.h"
 #include "sysemu/accel.h"
 #include "sysemu/whpx.h"
 #include "sysemu/sysemu.h"