diff --git a/cmd/zed/zed_event.c b/cmd/zed/zed_event.c
index 2a7ff16fd38..197c2538685 100644
--- a/cmd/zed/zed_event.c
+++ b/cmd/zed/zed_event.c
@@ -28,6 +28,7 @@
 #include "zed.h"
 #include "zed_conf.h"
 #include "zed_disk_event.h"
+#include "zed_event.h"
 #include "zed_exec.h"
 #include "zed_file.h"
 #include "zed_log.h"
diff --git a/cmd/zed/zed_exec.c b/cmd/zed/zed_exec.c
index 037037168d1..08b7b556836 100644
--- a/cmd/zed/zed_exec.c
+++ b/cmd/zed/zed_exec.c
@@ -22,6 +22,7 @@
 #include <sys/wait.h>
 #include <time.h>
 #include <unistd.h>
+#include "zed_exec.h"
 #include "zed_file.h"
 #include "zed_log.h"
 #include "zed_strings.h"
diff --git a/cmd/zed/zed_exec.h b/cmd/zed/zed_exec.h
index 69179c92c53..4153e5519a4 100644
--- a/cmd/zed/zed_exec.h
+++ b/cmd/zed/zed_exec.h
@@ -16,6 +16,7 @@
 #define	ZED_EXEC_H
 
 #include <stdint.h>
+#include "zed_strings.h"
 
 int zed_exec_process(uint64_t eid, const char *class, const char *subclass,
     const char *dir, zed_strings_t *zedlets, zed_strings_t *envs,
diff --git a/cmd/zed/zed_file.c b/cmd/zed/zed_file.c
index 3a1a661faa4..c3cf3d421c6 100644
--- a/cmd/zed/zed_file.c
+++ b/cmd/zed/zed_file.c
@@ -20,6 +20,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include "zed_file.h"
 #include "zed_log.h"
 
 /*
diff --git a/lib/libshare/nfs.c b/lib/libshare/nfs.c
index 7cc5ae43f50..c45f25cd053 100644
--- a/lib/libshare/nfs.c
+++ b/lib/libshare/nfs.c
@@ -35,6 +35,7 @@
 #include <libzfs.h>
 #include <libshare.h>
 #include "libshare_impl.h"
+#include "nfs.h"
 
 static boolean_t nfs_available(void);
 
diff --git a/lib/libspl/os/freebsd/getexecname.c b/lib/libspl/os/freebsd/getexecname.c
index 13e50d32404..2b057cc7301 100644
--- a/lib/libspl/os/freebsd/getexecname.c
+++ b/lib/libspl/os/freebsd/getexecname.c
@@ -21,14 +21,15 @@
  */
 
 
-#include <string.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <limits.h>
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/sysctl.h>
 #include <errno.h>
+#include <limits.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 const char *
 getexecname(void)
diff --git a/lib/libspl/os/linux/getexecname.c b/lib/libspl/os/linux/getexecname.c
index c21a110ad56..6352a1a3401 100644
--- a/lib/libspl/os/linux/getexecname.c
+++ b/lib/libspl/os/linux/getexecname.c
@@ -25,10 +25,11 @@
  */
 
 
+#include <limits.h>
+#include <pthread.h>
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <pthread.h>
-#include <limits.h>
 
 const char *
 getexecname(void)
diff --git a/lib/libzfs/os/freebsd/libzfs_zmount.c b/lib/libzfs/os/freebsd/libzfs_zmount.c
index c6415b8b80e..2207fffc557 100644
--- a/lib/libzfs/os/freebsd/libzfs_zmount.c
+++ b/lib/libzfs/os/freebsd/libzfs_zmount.c
@@ -43,6 +43,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/errno.h>
 #include <libzfs.h>
 
+#include "libzfs_impl.h"
+
 static void
 build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val,
     size_t len)
diff --git a/module/icp/io/edonr_mod.c b/module/icp/io/edonr_mod.c
index 544814a9847..a806af61062 100644
--- a/module/icp/io/edonr_mod.c
+++ b/module/icp/io/edonr_mod.c
@@ -25,6 +25,7 @@
 
 #include <sys/modctl.h>
 #include <sys/crypto/common.h>
+#include <sys/crypto/icp.h>
 #include <sys/crypto/spi.h>
 #include <sys/sysmacros.h>
 #include <sys/edonr.h>
diff --git a/module/icp/io/sha1_mod.c b/module/icp/io/sha1_mod.c
index d0b23cb7861..ffae143cded 100644
--- a/module/icp/io/sha1_mod.c
+++ b/module/icp/io/sha1_mod.c
@@ -27,6 +27,7 @@
 #include <sys/zfs_context.h>
 #include <sys/modctl.h>
 #include <sys/crypto/common.h>
+#include <sys/crypto/icp.h>
 #include <sys/crypto/spi.h>
 
 #include <sha1/sha1.h>
diff --git a/module/icp/io/skein_mod.c b/module/icp/io/skein_mod.c
index 621fa615818..18026807fd8 100644
--- a/module/icp/io/skein_mod.c
+++ b/module/icp/io/skein_mod.c
@@ -25,6 +25,7 @@
 
 #include <sys/modctl.h>
 #include <sys/crypto/common.h>
+#include <sys/crypto/icp.h>
 #include <sys/crypto/spi.h>
 #include <sys/sysmacros.h>
 #define	SKEIN_MODULE_IMPL
diff --git a/module/os/freebsd/spl/spl_vm.c b/module/os/freebsd/spl/spl_vm.c
index cd18ebb7adf..9f7acab7456 100644
--- a/module/os/freebsd/spl/spl_vm.c
+++ b/module/os/freebsd/spl/spl_vm.c
@@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/byteorder.h>
 #include <sys/lock.h>
 #include <sys/freebsd_rwlock.h>
+#include <sys/vm.h>
 
 #include <vm/vm.h>
 #include <vm/vm_param.h>
diff --git a/module/os/linux/spl/spl-generic.c b/module/os/linux/spl/spl-generic.c
index 83744723908..aa74f6042e0 100644
--- a/module/os/linux/spl/spl-generic.c
+++ b/module/os/linux/spl/spl-generic.c
@@ -39,6 +39,7 @@
 #include <sys/proc.h>
 #include <sys/kstat.h>
 #include <sys/file.h>
+#include <sys/sunddi.h>
 #include <linux/ctype.h>
 #include <sys/disp.h>
 #include <sys/random.h>
diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c
index d62eec3f023..3a005b687bb 100644
--- a/module/zcommon/zfs_prop.c
+++ b/module/zcommon/zfs_prop.c
@@ -857,6 +857,7 @@ zfs_prop_valid_keylocation(const char *str, boolean_t encrypted)
 
 
 #ifndef _KERNEL
+#include <libzfs.h>
 
 /*
  * Returns a string describing the set of acceptable values for the given
diff --git a/module/zcommon/zpool_prop.c b/module/zcommon/zpool_prop.c
index 155d557f464..3cfb435e423 100644
--- a/module/zcommon/zpool_prop.c
+++ b/module/zcommon/zpool_prop.c
@@ -235,6 +235,7 @@ zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
 }
 
 #ifndef _KERNEL
+#include <libzfs.h>
 
 const char *
 zpool_prop_values(zpool_prop_t prop)
diff --git a/module/zfs/blkptr.c b/module/zfs/blkptr.c
index ee24b1c312d..73600e4ab64 100644
--- a/module/zfs/blkptr.c
+++ b/module/zfs/blkptr.c
@@ -17,6 +17,7 @@
  * Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  */
 
+#include <sys/blkptr.h>
 #include <sys/zfs_context.h>
 #include <sys/zio.h>
 #include <sys/zio_compress.h>
diff --git a/module/zfs/dmu_object.c b/module/zfs/dmu_object.c
index be4eba91c35..453a2842ce6 100644
--- a/module/zfs/dmu_object.c
+++ b/module/zfs/dmu_object.c
@@ -26,6 +26,7 @@
 
 #include <sys/dbuf.h>
 #include <sys/dmu.h>
+#include <sys/dmu_impl.h>
 #include <sys/dmu_objset.h>
 #include <sys/dmu_tx.h>
 #include <sys/dnode.h>
diff --git a/module/zfs/edonr_zfs.c b/module/zfs/edonr_zfs.c
index e92da6d6c1d..aa00e1c9417 100644
--- a/module/zfs/edonr_zfs.c
+++ b/module/zfs/edonr_zfs.c
@@ -27,8 +27,8 @@
  */
 #include <sys/zfs_context.h>
 #include <sys/zio.h>
+#include <sys/zio_checksum.h>
 #include <sys/edonr.h>
-#include <sys/zfs_context.h>	/* For CTASSERT() */
 #include <sys/abd.h>
 
 #define	EDONR_MODE		512
diff --git a/module/zfs/gzip.c b/module/zfs/gzip.c
index 9d8af3228f9..e2c6e59969d 100644
--- a/module/zfs/gzip.c
+++ b/module/zfs/gzip.c
@@ -30,6 +30,7 @@
 #include <sys/types.h>
 #include <sys/strings.h>
 #include <sys/qat.h>
+#include <sys/zio_compress.h>
 
 #ifdef _KERNEL
 
diff --git a/module/zfs/lz4.c b/module/zfs/lz4.c
index 953c440dfee..52e527b02ac 100644
--- a/module/zfs/lz4.c
+++ b/module/zfs/lz4.c
@@ -33,6 +33,7 @@
  */
 
 #include <sys/zfs_context.h>
+#include <sys/zio_compress.h>
 
 static int real_LZ4_compress(const char *source, char *dest, int isize,
     int osize);
diff --git a/module/zfs/lzjb.c b/module/zfs/lzjb.c
index ae18467011c..a478e64c514 100644
--- a/module/zfs/lzjb.c
+++ b/module/zfs/lzjb.c
@@ -37,6 +37,7 @@
  */
 
 #include <sys/zfs_context.h>
+#include <sys/zio_compress.h>
 
 #define	MATCH_BITS	6
 #define	MATCH_MIN	3
diff --git a/module/zfs/sha256.c b/module/zfs/sha256.c
index 406c926a07e..d297768eada 100644
--- a/module/zfs/sha256.c
+++ b/module/zfs/sha256.c
@@ -28,6 +28,7 @@
  */
 #include <sys/zfs_context.h>
 #include <sys/zio.h>
+#include <sys/zio_checksum.h>
 #include <sys/sha2.h>
 #include <sys/abd.h>
 #include <sys/qat.h>
diff --git a/module/zfs/skein_zfs.c b/module/zfs/skein_zfs.c
index 8deb84b266b..11b9940e027 100644
--- a/module/zfs/skein_zfs.c
+++ b/module/zfs/skein_zfs.c
@@ -24,6 +24,7 @@
  */
 #include <sys/zfs_context.h>
 #include <sys/zio.h>
+#include <sys/zio_checksum.h>
 #include <sys/skein.h>
 
 #include <sys/abd.h>
diff --git a/module/zfs/spa_boot.c b/module/zfs/spa_boot.c
index be79542c904..674394650f8 100644
--- a/module/zfs/spa_boot.c
+++ b/module/zfs/spa_boot.c
@@ -27,7 +27,7 @@
 #ifdef _KERNEL
 
 #include <sys/zio.h>
-#include <sys/spa.h>
+#include <sys/spa_boot.h>
 #include <sys/sunddi.h>
 
 char *
diff --git a/module/zfs/zcp_get.c b/module/zfs/zcp_get.c
index a23230ffbd6..7256e4de191 100644
--- a/module/zfs/zcp_get.c
+++ b/module/zfs/zcp_get.c
@@ -34,6 +34,7 @@
 #include <sys/zcp.h>
 #include <sys/zcp_iter.h>
 #include <sys/zcp_global.h>
+#include <sys/zcp_prop.h>
 #include <sys/zfs_ioctl.h>
 #include <sys/zfs_znode.h>
 #include <sys/zvol.h>
diff --git a/module/zfs/zle.c b/module/zfs/zle.c
index 613607faaa9..0decebb13ca 100644
--- a/module/zfs/zle.c
+++ b/module/zfs/zle.c
@@ -32,6 +32,7 @@
  */
 #include <sys/types.h>
 #include <sys/sysmacros.h>
+#include <sys/zio_compress.h>
 
 size_t
 zle_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)