diff --git a/.gitignore b/.gitignore
index a67ff3f50..f59be6e16 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,6 +58,8 @@ COOJA.testlog
 *.err
 summary
 tests/[0-9][0-9]-*/org/
+tests/18-coap-lwm2m/Californium.properties
+tests/18-coap-lwm2m/leshan-server-demo-1.0.0-SNAPSHOT-jar-with-dependencies.jar
 
 # x86 UEFI files
 cpu/x86/uefi/Makefile.uefi