diff --git a/disas/nios2.c b/disas/nios2.c
index b342936d21..de11f04cc4 100644
--- a/disas/nios2.c
+++ b/disas/nios2.c
@@ -1756,7 +1756,6 @@ extern const int nios2_num_r2_reg_range_mappings;
 #endif /* _NIOS2_H */
 
 /*#include "sysdep.h"
-#include <stdio.h>
 #include "opcode/nios2.h"
 */
 /* Register string table */
@@ -2521,8 +2520,6 @@ const int nios2_num_r2_reg_range_mappings = 8;
 #include "dis-asm.h"
 #include "opcode/nios2.h"
 #include "libiberty.h"
-#include <string.h>
-#include <assert.h>
 */
 /* No symbol table is available when this code runs out in an embedded
    system as when it is used for disassembler support in a monitor.  */
diff --git a/hw/nios2/boot.c b/hw/nios2/boot.c
index 2b31f5b844..94f436e7fb 100644
--- a/hw/nios2/boot.c
+++ b/hw/nios2/boot.c
@@ -34,7 +34,6 @@
 #include "qemu/option.h"
 #include "qemu/config-file.h"
 #include "qemu/error-report.h"
-#include "qemu-common.h"
 #include "sysemu/device_tree.h"
 #include "sysemu/sysemu.h"
 #include "hw/loader.h"
diff --git a/target/nios2/cpu.h b/target/nios2/cpu.h
index 9119eee587..88823a6d4d 100644
--- a/target/nios2/cpu.h
+++ b/target/nios2/cpu.h
@@ -20,7 +20,6 @@
 #ifndef CPU_NIOS2_H
 #define CPU_NIOS2_H
 
-#include "qemu/osdep.h"
 #include "qemu-common.h"
 
 #define TARGET_LONG_BITS 32
diff --git a/target/nios2/helper.c b/target/nios2/helper.c
index ef9ee05798..9f741a8f19 100644
--- a/target/nios2/helper.c
+++ b/target/nios2/helper.c
@@ -18,12 +18,9 @@
  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  */
 
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
+#include "qemu/osdep.h"
 
 #include "cpu.h"
-#include "qemu/osdep.h"
 #include "qemu/host-utils.h"
 #include "qapi/error.h"
 #include "exec/exec-all.h"
diff --git a/target/nios2/op_helper.c b/target/nios2/op_helper.c
index efb1c489c9..c853aeae02 100644
--- a/target/nios2/op_helper.c
+++ b/target/nios2/op_helper.c
@@ -18,6 +18,7 @@
  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  */
 
+#include "qemu/osdep.h"
 #include "cpu.h"
 #include "exec/helper-proto.h"
 #include "exec/cpu_ldst.h"
diff --git a/target/nios2/translate.c b/target/nios2/translate.c
index 72329002ac..51a54ff760 100644
--- a/target/nios2/translate.c
+++ b/target/nios2/translate.c
@@ -21,6 +21,7 @@
  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  */
 
+#include "qemu/osdep.h"
 #include "cpu.h"
 #include "tcg-op.h"
 #include "exec/exec-all.h"