diff --git a/Controllers/AsusAuraUSBController/AsusAuraMousematController.cpp b/Controllers/AsusAuraUSBController/AsusAuraMousematController.cpp
index 2664583d..c9eb8716 100644
--- a/Controllers/AsusAuraUSBController/AsusAuraMousematController.cpp
+++ b/Controllers/AsusAuraUSBController/AsusAuraMousematController.cpp
@@ -55,8 +55,8 @@ std::string AuraMousematController::GetVersion()
     unsigned char usb_buf_out[65];
     hid_read(dev, usb_buf_out, 65);
 
-    char version[8];
-    snprintf(version, 8, "%X.%02X.%02X", usb_buf_out[6], usb_buf_out[7], usb_buf_out[8]);
+    char version[9];
+    snprintf(version, 9, "%X.%02X.%02X", usb_buf_out[6], usb_buf_out[7], usb_buf_out[8]);
     return std::string(version);
 }
 
@@ -116,7 +116,7 @@ void AuraMousematController::UpdateDevice
         usb_buf[0x0b + i * 3]   = RGBGetGValue(colors[i]);
         usb_buf[0x0c + i * 3]   = RGBGetBValue(colors[i]);
     }
-    
+
     hid_write(dev, usb_buf, 65);
 }
 
diff --git a/Controllers/AsusAuraUSBController/AsusROGAllyController.cpp b/Controllers/AsusAuraUSBController/AsusROGAllyController.cpp
index b09f7c8f..966e8606 100644
--- a/Controllers/AsusAuraUSBController/AsusROGAllyController.cpp
+++ b/Controllers/AsusAuraUSBController/AsusROGAllyController.cpp
@@ -76,7 +76,7 @@ void ROGAllyController::UpdateDevice
     unsigned char           mode,
     std::vector<RGBColor>   colors,
     unsigned char           speed,
-    unsigned char           brightness,
+    unsigned char           /*brightness*/,
     unsigned char           direction
     )
 {
diff --git a/Controllers/EpomakerController/RGBController_EpomakerController.cpp b/Controllers/EpomakerController/RGBController_EpomakerController.cpp
index d2e033f8..a2c05b64 100644
--- a/Controllers/EpomakerController/RGBController_EpomakerController.cpp
+++ b/Controllers/EpomakerController/RGBController_EpomakerController.cpp
@@ -400,12 +400,12 @@ void RGBController_EpomakerController::ResizeZone(int /*zone*/, int /*new_size*/
     \*---------------------------------------------------------*/
 }
 
-void RGBController_EpomakerController::UpdateZoneLEDs(int zone)
+void RGBController_EpomakerController::UpdateZoneLEDs(int /*zone*/)
 {
     DeviceUpdateLEDs();
 }
 
-void RGBController_EpomakerController::UpdateSingleLED(int led)
+void RGBController_EpomakerController::UpdateSingleLED(int /*led*/)
 {
     DeviceUpdateLEDs();
 }
diff --git a/Controllers/GaiZongGaiKeyboardController/GaiZhongGaiController.cpp b/Controllers/GaiZongGaiKeyboardController/GaiZhongGaiController.cpp
index 473744ff..215cd811 100644
--- a/Controllers/GaiZongGaiKeyboardController/GaiZhongGaiController.cpp
+++ b/Controllers/GaiZongGaiKeyboardController/GaiZhongGaiController.cpp
@@ -251,15 +251,21 @@ void GaiZhongGaiKeyboardController::SendColors
             for(uint8_t i = 0; i < 32; i++) //Maximum up to 640 RGB LED
             {
                 if(i > color_data_size / 60)
+                {
                     break;
+                }
 
                 usb_buf[1] = i;
                 for(uint8_t j = 0; j < 60; j++ )
                 {
-                    if(i * 60 + j < color_data_size)
+                    if((unsigned int)(i * 60 + j) < color_data_size)
+                    {
                         usb_buf[j + 2] = color_data[i * 60 + j];
+                    }
                     else
+                    {
                         usb_buf[j + 2] = 0; //Redundant data set 0
+                    }
                 }
                 hid_write(dev, usb_buf, 65);
             }
diff --git a/Controllers/KasaSmartController/KasaSmartController.cpp b/Controllers/KasaSmartController/KasaSmartController.cpp
index f940569e..f61489a1 100644
--- a/Controllers/KasaSmartController/KasaSmartController.cpp
+++ b/Controllers/KasaSmartController/KasaSmartController.cpp
@@ -161,7 +161,7 @@ void KasaSmartController::SetColor(unsigned char red, unsigned char green, unsig
     | Normalize case where hue is "-1" undefined |
     \*------------------------------------------*/
     unsigned int normalized_hue = hsv.hue;
-    if(hsv.hue == (int)-1)
+    if(hsv.hue == (unsigned int)-1)
     {
         normalized_hue = 0;
     }