diff --git a/scripts/compile.pl b/scripts/compile.pl
index 16a45ea..f6fc725 100644
--- a/scripts/compile.pl
+++ b/scripts/compile.pl
@@ -212,6 +212,7 @@ sub build_libiwasm {
     Util::run( 'cmake', '--build', $cmake_bd );
     copy( "$cmake_bd/libiwasm.a", "$bd/libiwasm.a" )
       or die "failed to copy $cmake_bd/libiwasm.a: $!";
+    rmtree($cmake_bd) or die "failed to remove $cmake_bd: $!";
 }
 
 sub copy_auxiliary {