diff --git a/align/domains.c b/align/domains.c
index 88271380d..1f03fd398 100644
--- a/align/domains.c
+++ b/align/domains.c
@@ -22,7 +22,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <libintl.h>
-#include <assert.h>
 
 #ifdef HAVE_LIBVIRT
 #include <libvirt/libvirt.h>
diff --git a/df/domains.c b/df/domains.c
index 2b1f4680f..d125ba23b 100644
--- a/df/domains.c
+++ b/df/domains.c
@@ -22,7 +22,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <libintl.h>
-#include <assert.h>
 
 #ifdef HAVE_LIBVIRT
 #include <libvirt/libvirt.h>
diff --git a/fish/domain.c b/fish/domain.c
index 083ea6563..d97b8e215 100644
--- a/fish/domain.c
+++ b/fish/domain.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <assert.h>
 
 #include "guestfs.h"
 
diff --git a/python/guestfs-py-byhand.c b/python/guestfs-py-byhand.c
index 0d00ec146..eea10ca0c 100644
--- a/python/guestfs-py-byhand.c
+++ b/python/guestfs-py-byhand.c
@@ -25,7 +25,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h>
 
 #include "guestfs-py.h"
 
diff --git a/src/launch-libvirt.c b/src/launch-libvirt.c
index ec0498b47..c4ca817f6 100644
--- a/src/launch-libvirt.c
+++ b/src/launch-libvirt.c
@@ -25,7 +25,6 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <grp.h>
-#include <assert.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/wait.h>