diff --git a/viomem/cleanAll.bat b/viomem/cleanAll.bat
index 1c9de8e4..20f48b52 100644
--- a/viomem/cleanAll.bat
+++ b/viomem/cleanAll.bat
@@ -1,6 +1,6 @@
 @echo off
 set _cln_tgt_=viomem
-set _cln_subdirs_=app sys
+set _cln_subdirs_=sys
 call ..\build\clean.bat
 call :subdir %_cln_subdirs_%
 goto :eof
diff --git a/viorng/clean.bat b/viorng/clean.bat
index f6dc44c2..ed773ecf 100644
--- a/viorng/clean.bat
+++ b/viorng/clean.bat
@@ -1,6 +1,6 @@
 @echo off
 set _cln_tgt_=viorng
-set _cln_subdirs_=cng\um coinstaller test viorng "VirtRNG Package"
+set _cln_subdirs_=cng\um test viorng "VirtRNG Package"
 call ..\build\clean.bat
 call :subdir %_cln_subdirs_%
 goto :eof