diff --git a/lib/imap.c b/lib/imap.c
index 6551190ee..2aeda785b 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -78,7 +78,6 @@
 #include "url.h"
 #include "rawstr.h"
 #include "strtoofft.h"
-#include "http_proxy.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
 #include <curl/mprintf.h>
diff --git a/lib/openldap.c b/lib/openldap.c
index 3a6c7e341..3886d0889 100644
--- a/lib/openldap.c
+++ b/lib/openldap.c
@@ -46,7 +46,6 @@
 #include "curl_ldap.h"
 #include "curl_memory.h"
 #include "curl_base64.h"
-#include "http_proxy.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
 #include <curl/mprintf.h>
diff --git a/lib/pop3.c b/lib/pop3.c
index 4009a1fd7..4cddba25d 100644
--- a/lib/pop3.c
+++ b/lib/pop3.c
@@ -79,7 +79,6 @@
 #include "url.h"
 #include "rawstr.h"
 #include "strtoofft.h"
-#include "http_proxy.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
 #include <curl/mprintf.h>
diff --git a/lib/smtp.c b/lib/smtp.c
index 05a685949..a4f14ab1f 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -87,7 +87,6 @@
 #include "curl_gethostname.h"
 #include "curl_ntlm_msgs.h"
 #include "warnless.h"
-#include "http_proxy.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
 #include <curl/mprintf.h>