diff --git a/lib/liblmdb/mplay.c b/lib/liblmdb/mplay.c
index 46730367..21366163 100644
--- a/lib/liblmdb/mplay.c
+++ b/lib/liblmdb/mplay.c
@@ -13,13 +13,15 @@
  */
 #include <stdio.h>
 #include <stdlib.h>
-#include <unistd.h>
 #include <time.h>
 #include <string.h>
 #include <ctype.h>
 #include <assert.h>
+#ifndef _WIN32
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#endif
 
 #include "lmdb.h"
 
diff --git a/tools/chatgui/libutun/CMakeLists.txt b/tools/chatgui/libutun/CMakeLists.txt
index e6336647..d81e7f0b 100644
--- a/tools/chatgui/libutun/CMakeLists.txt
+++ b/tools/chatgui/libutun/CMakeLists.txt
@@ -9,6 +9,7 @@ set(TRANSPORT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../transport)
 # ============================================================================
 
 file(GLOB UASYNC_SOURCES "${LIB_DIR}/*.c" "${LIB_DIR}/liblmdb/*.c")
+list(FILTER UASYNC_SOURCES EXCLUDE REGEX "/lmdb/(mtest[0-9]*\\.c|mtest\\.c|mdb_copy\\.c|mdb_dump\\.c|mdb_load\\.c|mdb_stat\\.c|mplay\\.c)$")
 
 add_library(uasync STATIC ${UASYNC_SOURCES})