diff --git a/lib/urldata.h b/lib/urldata.h
index 39ef82367..092398b28 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -1138,9 +1138,6 @@ typedef enum {
 #define MAX_CURL_USER_LENGTH 256
 #define MAX_CURL_PASSWORD_LENGTH 256
 #define MAX_CURL_OPTIONS_LENGTH 256
-#define MAX_CURL_USER_LENGTH_TXT "255"
-#define MAX_CURL_PASSWORD_LENGTH_TXT "255"
-#define MAX_CURL_OPTIONS_LENGTH_TXT "255"
 
 struct auth {
   unsigned long want;  /* Bitmask set to the authentication methods wanted by