diff --git a/putty.h b/putty.h
index f1d78473..e74673df 100644
--- a/putty.h
+++ b/putty.h
@@ -728,7 +728,6 @@ void modalfatalbox(const char *, ...);
 #pragma noreturn(modalfatalbox)
 #endif
 void do_beep(Frontend *frontend, int);
-void begin_session(Frontend *frontend);
 void sys_cursor(Frontend *frontend, int x, int y);
 void frontend_request_paste(Frontend *frontend, int clipboard);
 void frontend_keypress(Frontend *frontend);
diff --git a/windows/winnpc.c b/windows/winnpc.c
index 63387230..624757a4 100644
--- a/windows/winnpc.c
+++ b/windows/winnpc.c
@@ -23,7 +23,6 @@ Socket *new_named_pipe_client(const char *pipename, Plug *plug)
     HANDLE pipehandle;
     PSID usersid, pipeowner;
     PSECURITY_DESCRIPTOR psd;
-    Socket *ret;
 
     assert(strncmp(pipename, "\\\\.\\pipe\\", 9) == 0);
     assert(strchr(pipename + 9, '\\') == NULL);