diff --git a/lib/app.js b/lib/app.js
index 0a44031..ef48704 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -429,7 +429,11 @@ class App {
     shell.rm('-Rf', this.coverageDir);
     shell.rm('./allFiredEvents');
     shell.rm('./scTopics');
-    if (this.testrpcProcess) { this.testrpcProcess.kill(); }
+    if (this.testrpcProcess) {
+      this.testrpcProcess.stdout.destroy();
+      this.testrpcProcess.stderr.destroy();
+      this.testrpcProcess.kill();
+    }
 
     if (err) {
       this.log(`${err}\nExiting without generating coverage...`);