diff --git a/include/grp.h b/include/grp.h
index 58f7b4d233..2cd2475534 100644
--- a/include/grp.h
+++ b/include/grp.h
@@ -30,12 +30,6 @@ extern int __old_getgrnam_r (const char *__name, struct group *__resultbuf,
 			     char *__buffer, size_t __buflen,
 			     struct group **__result);
 
-struct parser_data;
-extern int _nss_files_parse_grent (char *line, struct group *result,
-				   struct parser_data *data,
-				   size_t datalen, int *errnop);
-libc_hidden_proto (_nss_files_parse_grent)
-
 #define DECLARE_NSS_PROTOTYPES(service)					   \
 extern enum nss_status _nss_ ## service ## _setgrent (int);		   \
 extern enum nss_status _nss_ ## service ## _endgrent (void);		   \
diff --git a/include/gshadow.h b/include/gshadow.h
index aa6a5a693e..1cefcfc641 100644
--- a/include/gshadow.h
+++ b/include/gshadow.h
@@ -10,11 +10,5 @@ extern int __sgetsgent_r (const char *string, struct sgrp *resbuf,
 			  char *buffer, size_t buflen, struct sgrp **result)
      attribute_hidden;
 
-struct parser_data;
-extern int _nss_files_parse_sgent (char *line, struct sgrp *result,
-                                   struct parser_data *data,
-                                   size_t datalen, int *errnop);
-libc_hidden_proto (_nss_files_parse_sgent)
-
 # endif /* !_ISOMAC */
 #endif
diff --git a/include/netdb.h b/include/netdb.h
index 6b431350df..49d63c1338 100644
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -202,23 +202,10 @@ libc_hidden_proto (ruserpass)
 
 #include <inet/netgroup.h>
 
-struct parser_data;
-extern int _nss_files_parse_protoent (char *line, struct protoent *result,
-				      struct parser_data *data,
-				      size_t datalen, int *errnop);
-extern int _nss_files_parse_servent (char *line, struct servent *result,
-				     struct parser_data *data,
-				     size_t datalen, int *errnop);
-extern int _nss_files_parse_netent (char *line, struct netent *result,
-				    struct parser_data *data,
-				    size_t datalen, int *errnop);
 extern enum nss_status _nss_netgroup_parseline (char **cursor,
 						struct __netgrent *result,
 						char *buffer, size_t buflen,
 						int *errnop);
-libnss_files_hidden_proto (_nss_files_parse_protoent)
-libnss_files_hidden_proto (_nss_files_parse_servent)
-libnss_files_hidden_proto (_nss_files_parse_netent)
 libnss_files_hidden_proto (_nss_netgroup_parseline)
 
 #define DECLARE_NSS_PROTOTYPES(service)					      \
diff --git a/include/netinet/ether.h b/include/netinet/ether.h
index 8fd05f8193..1763a7e04c 100644
--- a/include/netinet/ether.h
+++ b/include/netinet/ether.h
@@ -15,12 +15,6 @@ struct etherent
   struct ether_addr e_addr;
 };
 
-struct parser_data;
-extern int _nss_files_parse_etherent (char *line, struct etherent *result,
-				      struct parser_data *data,
-				      size_t datalen, int *errnop);
-libnss_files_hidden_proto (_nss_files_parse_etherent)
-
 #define DECLARE_NSS_PROTOTYPES(service)					      \
 extern enum nss_status _nss_ ## service ## _setetherent (int __stayopen);     \
 extern enum nss_status _nss_ ## service ## _endetherent (void);		      \
diff --git a/include/nss_files.h b/include/nss_files.h
index 17144b7932..54b354afb3 100644
--- a/include/nss_files.h
+++ b/include/nss_files.h
@@ -25,4 +25,55 @@
 FILE *__nss_files_fopen (const char *path);
 libc_hidden_proto (__nss_files_fopen)
 
+struct parser_data;
+struct etherent;
+struct group;
+struct netent;
+struct passwd;
+struct protoent;
+struct rpcent;
+struct servent;
+struct sgrp;
+struct spwd;
+
+/* Instances of the parse_line function from
+   nss/nss_files/files-parse.c.  */
+extern int _nss_files_parse_etherent (char *line, struct etherent *result,
+                                      struct parser_data *data,
+                                      size_t datalen, int *errnop);
+extern int _nss_files_parse_grent (char *line, struct group *result,
+                                   struct parser_data *data,
+                                   size_t datalen, int *errnop);
+extern int _nss_files_parse_netent (char *line, struct netent *result,
+                                    struct parser_data *data,
+                                    size_t datalen, int *errnop);
+extern int _nss_files_parse_protoent (char *line, struct protoent *result,
+                                      struct parser_data *data,
+                                      size_t datalen, int *errnop);
+extern int _nss_files_parse_pwent (char *line, struct passwd *result,
+                                   struct parser_data *data,
+                                   size_t datalen, int *errnop);
+extern int _nss_files_parse_rpcent (char *line, struct rpcent *result,
+                                    struct parser_data *data,
+                                    size_t datalen, int *errnop);
+extern int _nss_files_parse_servent (char *line, struct servent *result,
+                                     struct parser_data *data,
+                                     size_t datalen, int *errnop);
+extern int _nss_files_parse_sgent (char *line, struct sgrp *result,
+                                   struct parser_data *data,
+                                   size_t datalen, int *errnop);
+extern int _nss_files_parse_spent (char *line, struct spwd *result,
+                                   struct parser_data *data,
+                                   size_t datalen, int *errnop);
+
+libnss_files_hidden_proto (_nss_files_parse_etherent)
+libc_hidden_proto (_nss_files_parse_grent)
+libnss_files_hidden_proto (_nss_files_parse_netent)
+libnss_files_hidden_proto (_nss_files_parse_protoent)
+libc_hidden_proto (_nss_files_parse_pwent)
+libnss_files_hidden_proto (_nss_files_parse_rpcent)
+libnss_files_hidden_proto (_nss_files_parse_servent)
+libc_hidden_proto (_nss_files_parse_sgent)
+libc_hidden_proto (_nss_files_parse_spent)
+
 #endif /* _NSS_FILES_H */
diff --git a/include/pwd.h b/include/pwd.h
index fd23fe9d6b..f8975d4957 100644
--- a/include/pwd.h
+++ b/include/pwd.h
@@ -26,12 +26,6 @@ extern int __fgetpwent_r (FILE * __stream, struct passwd *__resultbuf,
 
 #include <nss.h>
 
-struct parser_data;
-extern int _nss_files_parse_pwent (char *line, struct passwd *result,
-				   struct parser_data *data,
-				   size_t datalen, int *errnop);
-libc_hidden_proto (_nss_files_parse_pwent)
-
 #define DECLARE_NSS_PROTOTYPES(service)					\
 extern enum nss_status _nss_ ## service ## _setpwent (int);		\
 extern enum nss_status _nss_ ## service ## _endpwent (void);		\
diff --git a/include/rpc/netdb.h b/include/rpc/netdb.h
index dc0d0e26b9..b9f591ca3b 100644
--- a/include/rpc/netdb.h
+++ b/include/rpc/netdb.h
@@ -24,12 +24,6 @@ extern int __getrpcent_r (struct rpcent *__result_buf, char *__buffer,
 extern int __old_getrpcent_r (struct rpcent *__result_buf, char *__buffer,
 			      size_t __buflen, struct rpcent **__result);
 
-struct parser_data;
-extern int _nss_files_parse_rpcent (char *line, struct rpcent *result,
-				    struct parser_data *data,
-				    size_t datalen, int *errnop);
-libnss_files_hidden_proto (_nss_files_parse_rpcent)
-
 #define DECLARE_NSS_PROTOTYPES(service)					      \
 extern enum nss_status _nss_ ## service ## _setrpcent (int);		      \
 extern enum nss_status _nss_ ## service ## _endrpcent (void);		      \
diff --git a/include/shadow.h b/include/shadow.h
index 5168d8d4a3..fb1681909f 100644
--- a/include/shadow.h
+++ b/include/shadow.h
@@ -25,12 +25,6 @@ extern int __fgetspent_r (FILE *__stream, struct spwd *__result_buf,
 extern int __lckpwdf (void);
 extern int __ulckpwdf (void);
 
-struct parser_data;
-extern int _nss_files_parse_spent (char *line, struct spwd *result,
-				   struct parser_data *data,
-				   size_t datalen, int *errnop);
-libc_hidden_proto (_nss_files_parse_spent)
-
 #define DECLARE_NSS_PROTOTYPES(service)					\
 extern enum nss_status _nss_ ## service ## _setspent (int);		\
 extern enum nss_status _nss_ ## service ## _endspent (void);		\
diff --git a/nss/nss_files/files-parse.c b/nss/nss_files/files-parse.c
index a563d818f7..382028765b 100644
--- a/nss/nss_files/files-parse.c
+++ b/nss/nss_files/files-parse.c
@@ -21,6 +21,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <nss_files.h>
 
 /* These symbols are defined by the including source file:
 
