diff --git a/jenkins/run-tests.sh b/jenkins/run-tests.sh
index 8bd7fc5d64da..ace4ca559fc7 100755
--- a/jenkins/run-tests.sh
+++ b/jenkins/run-tests.sh
@@ -10,5 +10,8 @@ security unlock-keychain -p `cat ~/.config/keychain`
 echo "Increase keychain unlock timeout"
 security set-keychain-settings -lut 7200
 
+# clean mono keypairs (used in tests)
+rm -rf ~/.config/.mono/keypairs/
+
 # Run tests
 make -C tests jenkins