diff --git a/src/examples/TimesliceExample/MyFileReader.h b/src/examples/TimesliceExample/MyFileReader.h
index 84f85c174..fb5985c22 100644
--- a/src/examples/TimesliceExample/MyFileReader.h
+++ b/src/examples/TimesliceExample/MyFileReader.h
@@ -21,7 +21,7 @@ struct MyFileReader : public JEventSource {
 
     void Close() override { }
 
-    Result Emit(JEvent&) override {
+    Result Emit(JEvent& event) override {
 
         auto event_nr = event.GetEventNumber();
 
diff --git a/src/plugins/JTestRoot/JTestRootEventSource.h b/src/plugins/JTestRoot/JTestRootEventSource.h
index 1a41f3930..fba3dd6a9 100644
--- a/src/plugins/JTestRoot/JTestRootEventSource.h
+++ b/src/plugins/JTestRoot/JTestRootEventSource.h
@@ -12,7 +12,7 @@
 class JTestRootEventSource : public JEventSource {
 
 public:
-    JTestRootEventSource(std::string resource_name, JApplication* app);
+    JTestRootEventSource();
     virtual ~JTestRootEventSource() = default;
 
     Result Emit(JEvent& event) override;
diff --git a/src/plugins/JTestRoot/JTestRootProcessor.cc b/src/plugins/JTestRoot/JTestRootProcessor.cc
index 3e53c0cb0..6178d22a9 100644
--- a/src/plugins/JTestRoot/JTestRootProcessor.cc
+++ b/src/plugins/JTestRoot/JTestRootProcessor.cc
@@ -19,7 +19,7 @@ JTestRootProcessor::JTestRootProcessor() {
     SetCallbackStyle(CallbackStyle::ExpertMode);
 }
 
-void JTestRootProcessor::Process(const JEvent&) {
+void JTestRootProcessor::Process(const JEvent& event) {
     // Get the cluster objects
     auto clusters = event.Get<Cluster>();