diff --git a/.gitignore b/.gitignore
index ec584fc0..819464a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,7 @@ tags
 
 # ibex_tracer log file
 trace_core_*.log
+
+# Simple system output files
+ibex_simple_system.log
+ibex_simple_system_pcount.csv