diff --git a/tests.cmd b/tests.cmd
index eac59ef02c5c..0f2a0316f71d 100755
--- a/tests.cmd
+++ b/tests.cmd
@@ -9,8 +9,8 @@ GOTO :CMDSCRIPT
 
 set -eux
 root="$(cd "$(dirname "$0")"; pwd)"
-exec "$root/platform/jps-bootstrap/jps-bootstrap.sh" "$@" "$root" intellij.idea.community.build CommunityRunTestsBuildTarget
+exec "$root/platform/jps-bootstrap/jps-bootstrap.sh" "$@" -Dintellij.build.incremental.compilation=true -Dintellij.build.use.compiled.classes=false "$root" intellij.idea.community.build CommunityRunTestsBuildTarget
 :CMDSCRIPT
 
-call "%~dp0\platform\jps-bootstrap\jps-bootstrap.cmd" %* "%~dp0." intellij.idea.community.build CommunityRunTestsBuildTarget
+call "%~dp0\platform\jps-bootstrap\jps-bootstrap.cmd" %* -Dintellij.build.incremental.compilation=true -Dintellij.build.use.compiled.classes=false "%~dp0." intellij.idea.community.build CommunityRunTestsBuildTarget
 EXIT /B %ERRORLEVEL%