diff --git a/align/scan.c b/align/scan.c
index 121dc7700..449d3ff77 100644
--- a/align/scan.c
+++ b/align/scan.c
@@ -35,7 +35,6 @@
 #endif
 
 #include "progname.h"
-#include "c-ctype.h"
 
 #include "guestfs.h"
 #include "options.h"
diff --git a/fish/options.c b/fish/options.c
index b1a12e8c4..0db790e10 100644
--- a/fish/options.c
+++ b/fish/options.c
@@ -23,8 +23,6 @@
 #include <string.h>
 #include <libintl.h>
 
-#include "c-ctype.h"
-
 #include "guestfs.h"
 
 #include "options.h"
diff --git a/format/format.c b/format/format.c
index bbe7f5ca9..05b843479 100644
--- a/format/format.c
+++ b/format/format.c
@@ -30,7 +30,6 @@
 #include <libintl.h>
 
 #include "progname.h"
-#include "c-ctype.h"
 
 #include "guestfs.h"
 #include "options.h"
diff --git a/inspector/virt-inspector.c b/inspector/virt-inspector.c
index cf0a7ab74..65e52a0fc 100644
--- a/inspector/virt-inspector.c
+++ b/inspector/virt-inspector.c
@@ -36,7 +36,6 @@
 #include <libxml/xmlsave.h>
 
 #include "progname.h"
-#include "c-ctype.h"
 
 #include "guestfs.h"
 #include "options.h"
diff --git a/src/dbdump.c b/src/dbdump.c
index fcff635e8..5c742cef8 100644
--- a/src/dbdump.c
+++ b/src/dbdump.c
@@ -34,7 +34,6 @@
 
 #include <pcre.h>
 
-#include "c-ctype.h"
 #include "ignore-value.h"
 
 #include "guestfs.h"
diff --git a/src/inspect-apps.c b/src/inspect-apps.c
index 06a02e245..b5ee15d0a 100644
--- a/src/inspect-apps.c
+++ b/src/inspect-apps.c
@@ -34,7 +34,6 @@
 
 #include <pcre.h>
 
-#include "c-ctype.h"
 #include "ignore-value.h"
 #include "xstrtol.h"
 
diff --git a/src/inspect-fs.c b/src/inspect-fs.c
index 456a54674..7354029b3 100644
--- a/src/inspect-fs.c
+++ b/src/inspect-fs.c
@@ -34,7 +34,6 @@
 
 #include <pcre.h>
 
-#include "c-ctype.h"
 #include "ignore-value.h"
 #include "xstrtol.h"
 
diff --git a/src/inspect.c b/src/inspect.c
index 8cba6b193..90ebf18fc 100644
--- a/src/inspect.c
+++ b/src/inspect.c
@@ -34,7 +34,6 @@
 
 #include <pcre.h>
 
-#include "c-ctype.h"
 #include "ignore-value.h"
 #include "xstrtol.h"