diff --git a/Controllers/DRGBController/RGBController_DRGB.cpp b/Controllers/DRGBController/RGBController_DRGB.cpp
index 18bbd85e..5248413e 100644
--- a/Controllers/DRGBController/RGBController_DRGB.cpp
+++ b/Controllers/DRGBController/RGBController_DRGB.cpp
@@ -266,7 +266,7 @@ void RGBController_DRGB::SetupZones()
             }
             else if(channel_idx<16)
             {
-                snprintf(ch_idx_string, 2, "%d", channel_idx-5 );
+                snprintf(ch_idx_string, 3, "%d", channel_idx-5 );
                 zones[channel_idx].name     = "ARGB ";
             }
         }
diff --git a/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.cpp b/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.cpp
index 12b74ce0..0807ba09 100644
--- a/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.cpp
+++ b/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.cpp
@@ -158,9 +158,8 @@ void init_packet(FeaturePacket_Zone_761 * packet)
 
 MSIMysticLight761Controller::MSIMysticLight761Controller
     (
-    hid_device* handle,
-    const char* path,
-    unsigned short  pid,
+    hid_device*     handle,
+    const char*     path,
     std::string     dev_name
     )
 {
@@ -169,7 +168,7 @@ MSIMysticLight761Controller::MSIMysticLight761Controller
     name                                            = dev_name;
 
     const mystic_light_761_config * board_config    = nullptr;
-    for(int i = 0; i < NUM_CONFS; i++)
+    for(std::size_t i = 0; i < NUM_CONFS; i++)
     {
         if(*(board_configs[i].name) == name)
         {
@@ -405,7 +404,7 @@ void MSIMysticLight761Controller::SetZoneColor
     }
 }
 
-void set_data_color(FeaturePacket_Zone_761 * packet, int index, unsigned char color_val  )
+void set_data_color(FeaturePacket_Zone_761 * packet, std::size_t index, unsigned char color_val  )
 {
     if(packet == nullptr)
     {
@@ -417,13 +416,12 @@ void set_data_color(FeaturePacket_Zone_761 * packet, int index, unsigned char co
 void MSIMysticLight761Controller::SetLedColor
     (
     MSI_ZONE        zone,
-    int             index,
+    std::size_t     index,
     unsigned char   red,
     unsigned char   grn,
     unsigned char   blu
     )
 {
-
     FeaturePacket_Zone_761 * ptr = nullptr;
     switch(zone)
     {
diff --git a/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.h b/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.h
index 7c6b8726..c9eab05d 100644
--- a/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.h
+++ b/Controllers/MSIMysticLightController/MSIMysticLight761Controller/MSIMysticLight761Controller.h
@@ -27,9 +27,8 @@ class MSIMysticLight761Controller
 public:
     MSIMysticLight761Controller
                     (
-                    hid_device* handle,
-                    const char* path,
-                    unsigned short  pid,
+                    hid_device*     handle,
+                    const char*     path,
                     std::string     dev_name
                     );
 
@@ -70,7 +69,7 @@ public:
     void        SetLedColor
                     (
                     MSI_ZONE        zone,
-                    int             index,
+                    std::size_t     index,
                     unsigned char   red,
                     unsigned char   grn,
                     unsigned char   blu
diff --git a/Controllers/MSIMysticLightController/MSIMysticLight761Controller/RGBController_MSIMysticLight761.cpp b/Controllers/MSIMysticLightController/MSIMysticLight761Controller/RGBController_MSIMysticLight761.cpp
index 7cc479a8..940082fe 100644
--- a/Controllers/MSIMysticLightController/MSIMysticLight761Controller/RGBController_MSIMysticLight761.cpp
+++ b/Controllers/MSIMysticLightController/MSIMysticLight761Controller/RGBController_MSIMysticLight761.cpp
@@ -63,7 +63,7 @@ RGBController_MSIMysticLight761::RGBController_MSIMysticLight761
 
     for(std::size_t i = 0; i < supported_zones->size(); ++i)
     {
-        for(int j = 0; j < NUMOF_ZONES; ++j)
+        for(std::size_t j = 0; j < NUMOF_ZONES; ++j)
         {
             if(led_zones[j].zone_type == (*supported_zones)[i])
             {
diff --git a/Controllers/MSIMysticLightController/MSIMysticLightControllerDetect.cpp b/Controllers/MSIMysticLightController/MSIMysticLightControllerDetect.cpp
index 917c2082..b566299f 100644
--- a/Controllers/MSIMysticLightController/MSIMysticLightControllerDetect.cpp
+++ b/Controllers/MSIMysticLightController/MSIMysticLightControllerDetect.cpp
@@ -102,7 +102,7 @@ void DetectMSIMysticLightControllers
 
                 try
                 {
-                    MSIMysticLight761Controller*     controller     = new MSIMysticLight761Controller(dev, (const char *) info->path, info->product_id, dmi_name);
+                    MSIMysticLight761Controller*     controller     = new MSIMysticLight761Controller(dev, (const char *) info->path, dmi_name);
                     RGBController_MSIMysticLight761* rgb_controller = new RGBController_MSIMysticLight761(controller);
                     ResourceManager::get()->RegisterRGBController(rgb_controller);
                 }
diff --git a/Controllers/QMKController/QMKVialRGBController/RGBController_QMKVialRGB.cpp b/Controllers/QMKController/QMKVialRGBController/RGBController_QMKVialRGB.cpp
index d8e3b5b5..a8a66788 100644
--- a/Controllers/QMKController/QMKVialRGBController/RGBController_QMKVialRGB.cpp
+++ b/Controllers/QMKController/QMKVialRGBController/RGBController_QMKVialRGB.cpp
@@ -220,7 +220,7 @@ void RGBController_QMKVialRGB::SetupZones()
     SetupColors();
 }
 
-void RGBController_QMKVialRGB::ResizeZone(int zone, int new_size)
+void RGBController_QMKVialRGB::ResizeZone(int /*zone*/, int /*new_size*/)
 {
 
 }
diff --git a/Controllers/RazerController/RazerKrakenV4Controller/RazerKrakenV4Controller.cpp b/Controllers/RazerController/RazerKrakenV4Controller/RazerKrakenV4Controller.cpp
index 313364b1..133d9708 100644
--- a/Controllers/RazerController/RazerKrakenV4Controller/RazerKrakenV4Controller.cpp
+++ b/Controllers/RazerController/RazerKrakenV4Controller/RazerKrakenV4Controller.cpp
@@ -120,7 +120,6 @@ unsigned char RazerKrakenV4Controller::GetMaxBrightness()
 void RazerKrakenV4Controller::SetDirect(RGBColor* colors)
 {
     struct razer_kraken_v4_report   report          = razer_kraken_v4_create_report(0x0F, 0x03, (5 + (3 * device_list[device_index]->cols)));
-    struct razer_kraken_v4_report   response_report = razer_kraken_v4_create_response();
 
     report.arguments[2]             = 0;
     report.arguments[3]             = 0;
@@ -139,7 +138,6 @@ void RazerKrakenV4Controller::SetDirect(RGBColor* colors)
 void RazerKrakenV4Controller::SetBrightness(unsigned char brightness)
 {
     struct razer_kraken_v4_report   report          = razer_kraken_v4_create_report(0x00, 0x00, 0x05);
-    struct razer_kraken_v4_report   response_report = razer_kraken_v4_create_response();
 
     report.arguments[0]             = RAZER_KRAKEN_V4_CMD_LIGHTING_SET_BRIGHTNESS;
     report.arguments[2]             = 0x01;
@@ -151,7 +149,6 @@ void RazerKrakenV4Controller::SetBrightness(unsigned char brightness)
 void RazerKrakenV4Controller::SetModeWave()
 {
     struct razer_kraken_v4_report   report          = razer_kraken_v4_create_report(0x00, 0x00, 0x05);
-    struct razer_kraken_v4_report   response_report = razer_kraken_v4_create_response();
 
     report.arguments[0]             = RAZER_KRAKEN_V4_CMD_LIGHTING_SET_MODE;
     report.arguments[2]             = 0x01;