diff --git a/p-server.c b/p-server.c
index 6030bb0..2461db9 100644
--- a/p-server.c
+++ b/p-server.c
@@ -299,7 +299,9 @@ int main(int argc, const char *argv[]){
         char ip_buf[INET_ADDRSTRLEN];
         const char * msg;
         int retval = 0;
+    #ifdef USE_TRACE
         struct timespec ts_top_begin,ts_top_end, ts_bottom_begin, ts_bottom_end;
+    #endif
         if((csock = accept(sock, (struct sockaddr *)&client_addr,&client_addr_len)) < 0){
             free(buf);
             perror("accept error");