diff --git a/TestScripts/coverity-windows.txt b/TestScripts/coverity-windows.txt
index 6fab35b0..266d3e30 100644
--- a/TestScripts/coverity-windows.txt
+++ b/TestScripts/coverity-windows.txt
@@ -10,6 +10,8 @@
 
 cls
 
+del /f cryptopp.zip
+rmdir /q /s cov-int
 nmake /f cryptest.nmake clean
 
 # Uncomment CXXFLAGS in makefile. Pay attention to X86, X64 or ARM