diff --git a/server/registry.c b/server/registry.c
index 809a6d28263..fb9c06d4992 100644
--- a/server/registry.c
+++ b/server/registry.c
@@ -1737,7 +1737,7 @@ void init_registry(void)
 
     /* switch to the config dir */
 
-    if (fchdir( config_dir_fd ) == -1) fatal_perror( "chdir to config dir" );
+    if (fchdir( config_dir_fd ) == -1) fatal_error( "chdir to config dir: %s\n", strerror( errno ));
 
     /* create the root key */
     root_key = alloc_key( &root_name, current_time );
@@ -1790,7 +1790,7 @@ void init_registry(void)
     set_periodic_save_timer();
 
     /* go back to the server dir */
-    if (fchdir( server_dir_fd ) == -1) fatal_perror( "chdir to server dir" );
+    if (fchdir( server_dir_fd ) == -1) fatal_error( "chdir to server dir: %s\n", strerror( errno ));
 }
 
 /* save a registry branch to a file */
@@ -1922,7 +1922,7 @@ static void periodic_save( void *arg )
     save_timeout_user = NULL;
     for (i = 0; i < save_branch_count; i++)
         save_branch( save_branch_info[i].key, save_branch_info[i].path );
-    if (fchdir( server_dir_fd ) == -1) fatal_perror( "chdir to server dir" );
+    if (fchdir( server_dir_fd ) == -1) fatal_error( "chdir to server dir: %s\n", strerror( errno ));
     set_periodic_save_timer();
 }
 
@@ -1948,7 +1948,7 @@ void flush_registry(void)
             perror( " " );
         }
     }
-    if (fchdir( server_dir_fd ) == -1) fatal_perror( "chdir to server dir" );
+    if (fchdir( server_dir_fd ) == -1) fatal_error( "chdir to server dir: %s\n", strerror( errno ));
 }
 
 /* determine if the thread is wow64 (32-bit client running on 64-bit prefix) */
diff --git a/server/request.c b/server/request.c
index e075212a3ea..f78026a061d 100644
--- a/server/request.c
+++ b/server/request.c
@@ -142,20 +142,6 @@ void fatal_protocol_error( struct thread *thread, const char *err, ... )
     kill_thread( thread, 1 );
 }
 
-/* complain about a protocol error and terminate the client connection */
-void fatal_protocol_perror( struct thread *thread, const char *err, ... )
-{
-    va_list args;
-
-    va_start( args, err );
-    fprintf( stderr, "Protocol error:%04x: ", thread->id );
-    vfprintf( stderr, err, args );
-    perror( " " );
-    va_end( args );
-    thread->exit_code = 1;
-    kill_thread( thread, 1 );
-}
-
 /* die on a fatal error */
 void fatal_error( const char *err, ... )
 {
@@ -168,19 +154,6 @@ void fatal_error( const char *err, ... )
     exit(1);
 }
 
-/* die on a fatal error */
-void fatal_perror( const char *err, ... )
-{
-    va_list args;
-
-    va_start( args, err );
-    fprintf( stderr, "wineserver: " );
-    vfprintf( stderr, err, args );
-    perror( " " );
-    va_end( args );
-    exit(1);
-}
-
 /* allocate the reply data */
 void *set_reply_data_size( data_size_t size )
 {
@@ -212,7 +185,7 @@ void write_reply( struct thread *thread )
     if (errno == EPIPE)
         kill_thread( thread, 0 );  /* normal death */
     else if (errno != EWOULDBLOCK && errno != EAGAIN)
-        fatal_protocol_perror( thread, "reply write" );
+        fatal_protocol_error( thread, "reply write: %s\n", strerror( errno ));
 }
 
 /* send a reply to the current thread */
@@ -254,7 +227,7 @@ static void send_reply( union generic_reply *reply )
     else if (errno == EPIPE)
         kill_thread( current, 0 );  /* normal death */
     else
-        fatal_protocol_perror( current, "reply write" );
+        fatal_protocol_error( current, "reply write: %s\n", strerror( errno ));
 }
 
 /* call a request handler */
@@ -339,7 +312,7 @@ error:
     else if (ret > 0)
         fatal_protocol_error( thread, "partial read %d\n", ret );
     else if (errno != EWOULDBLOCK && errno != EAGAIN)
-        fatal_protocol_perror( thread, "read" );
+        fatal_protocol_error( thread, "read: %s\n", strerror( errno ));
 }
 
 /* receive a file descriptor on the process socket */
@@ -557,9 +530,12 @@ static void create_dir( const char *name, struct stat *st )
 {
     if (lstat( name, st ) == -1)
     {
-        if (errno != ENOENT) fatal_perror( "lstat %s", name );
-        if (mkdir( name, 0700 ) == -1 && errno != EEXIST) fatal_perror( "mkdir %s", name );
-        if (lstat( name, st ) == -1) fatal_perror( "lstat %s", name );
+        if (errno != ENOENT)
+            fatal_error( "lstat %s: %s", name, strerror( errno ));
+        if (mkdir( name, 0700 ) == -1 && errno != EEXIST)
+            fatal_error( "mkdir %s: %s\n", name, strerror( errno ));
+        if (lstat( name, st ) == -1)
+            fatal_error( "lstat %s: %s\n", name, strerror( errno ));
     }
     if (!S_ISDIR(st->st_mode)) fatal_error( "%s is not a directory\n", name );
     if (st->st_uid != getuid()) fatal_error( "%s is not owned by you\n", name );
@@ -585,9 +561,12 @@ static void create_server_dir( const char *dir )
     *p = '/';
     create_dir( server_dir, &st );
 
-    if (chdir( server_dir ) == -1) fatal_perror( "chdir %s", server_dir );
-    if ((server_dir_fd = open( ".", O_RDONLY )) == -1) fatal_perror( "open %s", server_dir );
-    if (fstat( server_dir_fd, &st2 ) == -1) fatal_perror( "stat %s", server_dir );
+    if (chdir( server_dir ) == -1)
+        fatal_error( "chdir %s: %s\n", server_dir, strerror( errno ));
+    if ((server_dir_fd = open( ".", O_RDONLY )) == -1)
+        fatal_error( "open %s: %s\n", server_dir, strerror( errno ));
+    if (fstat( server_dir_fd, &st2 ) == -1)
+        fatal_error( "stat %s: %s\n", server_dir, strerror( errno ));
     if (st.st_dev != st2.st_dev || st.st_ino != st2.st_ino)
         fatal_error( "chdir did not end up in %s\n", server_dir );
 
@@ -603,7 +582,7 @@ static int create_server_lock(void)
     if (lstat( server_lock_name, &st ) == -1)
     {
         if (errno != ENOENT)
-            fatal_perror( "lstat %s/%s", wine_get_server_dir(), server_lock_name );
+            fatal_error( "lstat %s/%s: %s", wine_get_server_dir(), server_lock_name, strerror( errno ));
     }
     else
     {
@@ -612,7 +591,7 @@ static int create_server_lock(void)
     }
 
     if ((fd = open( server_lock_name, O_CREAT|O_TRUNC|O_WRONLY, 0600 )) == -1)
-        fatal_perror( "error creating %s/%s", wine_get_server_dir(), server_lock_name );
+        fatal_error( "error creating %s/%s: %s", wine_get_server_dir(), server_lock_name, strerror( errno ));
     return fd;
 }
 
@@ -729,13 +708,13 @@ static void acquire_lock(void)
         case EAGAIN:
             exit(2); /* we didn't get the lock, exit with special status */
         default:
-            fatal_perror( "fcntl %s/%s", wine_get_server_dir(), server_lock_name );
+            fatal_error( "fcntl %s/%s: %s", wine_get_server_dir(), server_lock_name, strerror( errno ));
         }
         /* it seems we can't use locks on this fs, so we will use the socket existence as lock */
         close( fd );
     }
 
-    if ((fd = socket( AF_UNIX, SOCK_STREAM, 0 )) == -1) fatal_perror( "socket" );
+    if ((fd = socket( AF_UNIX, SOCK_STREAM, 0 )) == -1) fatal_error( "socket: %s\n", strerror( errno ));
     addr.sun_family = AF_UNIX;
     strcpy( addr.sun_path, server_socket_name );
     slen = sizeof(addr) - sizeof(addr.sun_path) + strlen(addr.sun_path) + 1;
@@ -750,11 +729,11 @@ static void acquire_lock(void)
                 fatal_error( "couldn't bind to the socket even though we hold the lock\n" );
             exit(2); /* we didn't get the lock, exit with special status */
         }
-        fatal_perror( "bind" );
+        fatal_error( "bind: %s\n", strerror( errno ));
     }
     atexit( socket_cleanup );
     chmod( server_socket_name, 0600 );  /* make sure no other user can connect */
-    if (listen( fd, 5 ) == -1) fatal_perror( "listen" );
+    if (listen( fd, 5 ) == -1) fatal_error( "listen: %s\n", strerror( errno ));
 
     if (!(master_socket = alloc_object( &master_socket_ops )) ||
         !(master_socket->fd = create_anonymous_fd( &master_socket_fd_ops, fd, &master_socket->obj, 0 )))
@@ -779,15 +758,18 @@ void open_master_socket(void)
     fd = open( "/dev/null", O_RDWR );
     while (fd >= 0 && fd <= 2) fd = dup( fd );
 
-    if (!server_dir) fatal_error( "directory %s cannot be accessed\n", config_dir );
-    if (chdir( config_dir ) == -1) fatal_perror( "chdir to %s", config_dir );
-    if ((config_dir_fd = open( ".", O_RDONLY )) == -1) fatal_perror( "open %s", config_dir );
+    if (!server_dir)
+        fatal_error( "directory %s cannot be accessed\n", config_dir );
+    if (chdir( config_dir ) == -1)
+        fatal_error( "chdir to %s: %s\n", config_dir, strerror( errno ));
+    if ((config_dir_fd = open( ".", O_RDONLY )) == -1)
+        fatal_error( "open %s: %s\n", config_dir, strerror( errno ));
 
     create_server_dir( server_dir );
 
     if (!foreground)
     {
-        if (pipe( sync_pipe ) == -1) fatal_perror( "pipe" );
+        if (pipe( sync_pipe ) == -1) fatal_error( "pipe: %s\n", strerror( errno ));
         pid = fork();
         switch( pid )
         {
@@ -808,7 +790,7 @@ void open_master_socket(void)
             break;
 
         case -1:
-            fatal_perror( "fork" );
+            fatal_error( "fork: %s\n", strerror( errno ));
             break;
 
         default:  /* parent */
diff --git a/server/request.h b/server/request.h
index b1b816f2d1c..816d76360f5 100644
--- a/server/request.h
+++ b/server/request.h
@@ -38,15 +38,10 @@
 #ifdef __GNUC__
 extern void fatal_protocol_error( struct thread *thread,
                                   const char *err, ... ) __attribute__((format (printf,2,3)));
-extern void fatal_protocol_perror( struct thread *thread,
-                                   const char *err, ... ) __attribute__((format (printf,2,3)));
 extern void fatal_error( const char *err, ... )  __attribute__((noreturn,format(printf,1,2)));
-extern void fatal_perror( const char *err, ... )  __attribute__((noreturn,format(printf,1,2)));
 #else
 extern void fatal_protocol_error( struct thread *thread, const char *err, ... );
-extern void fatal_protocol_perror( struct thread *thread, const char *err, ... );
 extern void fatal_error( const char *err, ... );
-extern void fatal_perror( const char *err, ... );
 #endif
 
 extern const char *get_config_dir(void);
diff --git a/server/thread.c b/server/thread.c
index b54b3b1550a..18c1e086375 100644
--- a/server/thread.c
+++ b/server/thread.c
@@ -652,7 +652,7 @@ static int send_thread_wakeup( struct thread *thread, client_ptr_t cookie, int s
     else if (errno == EPIPE)
         kill_thread( thread, 0 );  /* normal death */
     else
-        fatal_protocol_perror( thread, "write" );
+        fatal_protocol_error( thread, "write: %s\n", strerror( errno ));
     return -1;
 }