diff --git a/.gitignore b/.gitignore
index 2b5b3445f..29f6da386 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,15 +17,6 @@ logs
 *.log
 npm-debug.log*
 
-# Diagnostic reports (https://nodejs.org/api/report.html)
-report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
-
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
 # Optional npm cache directory
 .npm