diff --git a/.gitignore b/.gitignore
index 11efda3e..71fcbe59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,5 +4,6 @@
 *.csv
 *.dat
 *.out
+*.pid
 .pomo
 benchmarks/graphs
\ No newline at end of file
diff --git a/examples/helloworld/pids/connect.0.pid b/examples/helloworld/pids/connect.0.pid
deleted file mode 100644
index cbb5735d..00000000
--- a/examples/helloworld/pids/connect.0.pid
+++ /dev/null
@@ -1 +0,0 @@
-760
\ No newline at end of file
diff --git a/examples/helloworld/pids/connect.1.pid b/examples/helloworld/pids/connect.1.pid
deleted file mode 100644
index a4c65e36..00000000
--- a/examples/helloworld/pids/connect.1.pid
+++ /dev/null
@@ -1 +0,0 @@
-761
\ No newline at end of file