diff --git a/src/ActivityIndicator.cpp b/src/ActivityIndicator.cpp
index 03fd703..6db74f2 100644
--- a/src/ActivityIndicator.cpp
+++ b/src/ActivityIndicator.cpp
@@ -2,6 +2,8 @@
 
 #include "imgui.h"
 
+#include <algorithm>
+
 void mc::ActivityIndicator::render() const
 {
     constexpr double fade_time_ms          = 1000;
diff --git a/src/midi/InputNode.cpp b/src/midi/InputNode.cpp
index 2561558..95d34c3 100644
--- a/src/midi/InputNode.cpp
+++ b/src/midi/InputNode.cpp
@@ -50,7 +50,7 @@ std::string_view mc::midi::InputNode::name()
     return m_info.m_name;
 }
 
-void mc::midi::InputNode::message_callback(double                      time_stamp,
+void mc::midi::InputNode::message_callback(double /*time_stamp*/,
                                            std::vector<unsigned char>* message,
                                            void*                       user_data)
 {
@@ -61,7 +61,7 @@ void mc::midi::InputNode::message_callback(double                      time_stam
 
 void mc::midi::InputNode::error_callback(RtMidiError::Type  error_code,
                                          const std::string& message,
-                                         void*              user_data)
+                                         void* /*user_data*/)
 {
     spdlog::error("Error {} occured in MIDI input: \"{}\"", static_cast<int>(error_code), message);
 }
diff --git a/src/midi/MidiGraph.cpp b/src/midi/MidiGraph.cpp
index eec4571..59dfd95 100644
--- a/src/midi/MidiGraph.cpp
+++ b/src/midi/MidiGraph.cpp
@@ -21,7 +21,7 @@ Node::~Node()
     m_receiver_connections.clear();
 }
 
-bool Node::process(data_span data)
+bool Node::process(data_span /*data*/)
 {
     return true;
 }
diff --git a/src/midi/OutputNode.cpp b/src/midi/OutputNode.cpp
index c4851fa..118693f 100644
--- a/src/midi/OutputNode.cpp
+++ b/src/midi/OutputNode.cpp
@@ -51,7 +51,7 @@ std::string_view mc::midi::OutputNode::name()
 
 void mc::midi::OutputNode::error_callback(RtMidiError::Type  error_code,
                                           const std::string& message,
-                                          void*              user_data)
+                                          void* /*user_data*/)
 {
     spdlog::error("Error {} occured in MIDI output: \"{}\"", static_cast<int>(error_code), message);
 }