diff --git a/Source/Core/Common/ColorUtil.cpp b/Source/Core/Common/ColorUtil.cpp
index 60d9b5b084..b6258fb5ce 100644
--- a/Source/Core/Common/ColorUtil.cpp
+++ b/Source/Core/Common/ColorUtil.cpp
@@ -40,7 +40,7 @@ static u32 Decode5A3(u16 val)
   return (a << 24) | (r << 16) | (g << 8) | b;
 }
 
-void decode5A3image(u32* dst, const u16* src, int width, int height)
+void Decode5A3Image(u32* dst, const u16* src, int width, int height)
 {
   for (int y = 0; y < height; y += 4)
   {
@@ -58,7 +58,7 @@ void decode5A3image(u32* dst, const u16* src, int width, int height)
   }
 }
 
-void decodeCI8image(u32* dst, const u8* src, const u16* pal, int width, int height)
+void DecodeCI8Image(u32* dst, const u8* src, const u16* pal, int width, int height)
 {
   for (int y = 0; y < height; y += 4)
   {
diff --git a/Source/Core/Common/ColorUtil.h b/Source/Core/Common/ColorUtil.h
index 14486a97d7..be277a20e6 100644
--- a/Source/Core/Common/ColorUtil.h
+++ b/Source/Core/Common/ColorUtil.h
@@ -8,6 +8,6 @@
 
 namespace Common
 {
-void decode5A3image(u32* dst, const u16* src, int width, int height);
-void decodeCI8image(u32* dst, const u8* src, const u16* pal, int width, int height);
+void Decode5A3Image(u32* dst, const u16* src, int width, int height);
+void DecodeCI8Image(u32* dst, const u8* src, const u16* pal, int width, int height);
 }  // namespace Common
diff --git a/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp b/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
index d31126bac1..cf0ff40331 100644
--- a/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
+++ b/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
@@ -1082,13 +1082,13 @@ bool GCMemcard::ReadBannerRGBA8(u8 index, u32* buffer) const
     u8* pxdata = (u8*)(mc_data_blocks[DataBlock].block + DataOffset);
     u16* paldata = (u16*)(mc_data_blocks[DataBlock].block + DataOffset + pixels);
 
-    Common::decodeCI8image(buffer, pxdata, paldata, 96, 32);
+    Common::DecodeCI8Image(buffer, pxdata, paldata, 96, 32);
   }
   else
   {
     u16* pxdata = (u16*)(mc_data_blocks[DataBlock].block + DataOffset);
 
-    Common::decode5A3image(buffer, pxdata, 96, 32);
+    Common::Decode5A3Image(buffer, pxdata, 96, 32);
   }
   return true;
 }
@@ -1182,16 +1182,16 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8* delays) const
       switch (fmts[i])
       {
       case CI8SHARED:  // CI8 with shared palette
-        Common::decodeCI8image(buffer, data[i], sharedPal, 32, 32);
+        Common::DecodeCI8Image(buffer, data[i], sharedPal, 32, 32);
         buffer += 32 * 32;
         break;
       case RGB5A3:  // RGB5A3
-        Common::decode5A3image(buffer, (u16*)(data[i]), 32, 32);
+        Common::Decode5A3Image(buffer, (u16*)(data[i]), 32, 32);
         buffer += 32 * 32;
         break;
       case CI8:  // CI8 with own palette
         const u16* paldata = reinterpret_cast<u16*>(data[i] + 32 * 32);
-        Common::decodeCI8image(buffer, data[i], paldata, 32, 32);
+        Common::DecodeCI8Image(buffer, data[i], paldata, 32, 32);
         buffer += 32 * 32;
         break;
       }
@@ -1208,15 +1208,15 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8* delays) const
           switch (fmts[j])
           {
           case CI8SHARED:  // CI8 with shared palette
-            Common::decodeCI8image(buffer, data[j], sharedPal, 32, 32);
+            Common::DecodeCI8Image(buffer, data[j], sharedPal, 32, 32);
             break;
           case RGB5A3:  // RGB5A3
-            Common::decode5A3image(buffer, (u16*)(data[j]), 32, 32);
+            Common::Decode5A3Image(buffer, (u16*)(data[j]), 32, 32);
             buffer += 32 * 32;
             break;
           case CI8:  // CI8 with own palette
             const u16* paldata = reinterpret_cast<u16*>(data[j] + 32 * 32);
-            Common::decodeCI8image(buffer, data[j], paldata, 32, 32);
+            Common::DecodeCI8Image(buffer, data[j], paldata, 32, 32);
             buffer += 32 * 32;
             break;
           }
diff --git a/Source/Core/DiscIO/VolumeGC.cpp b/Source/Core/DiscIO/VolumeGC.cpp
index 51f9d0bb23..d48e00ac9d 100644
--- a/Source/Core/DiscIO/VolumeGC.cpp
+++ b/Source/Core/DiscIO/VolumeGC.cpp
@@ -244,7 +244,7 @@ VolumeGC::ConvertedGCBanner VolumeGC::ExtractBannerInformation(const GCBanner& b
   banner.image_width = GC_BANNER_WIDTH;
   banner.image_height = GC_BANNER_HEIGHT;
   banner.image_buffer = std::vector<u32>(GC_BANNER_WIDTH * GC_BANNER_HEIGHT);
-  Common::decode5A3image(banner.image_buffer.data(), banner_file.image, GC_BANNER_WIDTH,
+  Common::Decode5A3Image(banner.image_buffer.data(), banner_file.image, GC_BANNER_WIDTH,
                          GC_BANNER_HEIGHT);
 
   for (u32 i = 0; i < number_of_languages; ++i)
diff --git a/Source/Core/DiscIO/WiiSaveBanner.cpp b/Source/Core/DiscIO/WiiSaveBanner.cpp
index 5cd87e335c..aa53ad8183 100644
--- a/Source/Core/DiscIO/WiiSaveBanner.cpp
+++ b/Source/Core/DiscIO/WiiSaveBanner.cpp
@@ -69,7 +69,7 @@ std::vector<u32> WiiSaveBanner::GetBanner(u32* width, u32* height) const
     return std::vector<u32>();
 
   std::vector<u32> image_buffer(BANNER_WIDTH * BANNER_HEIGHT);
-  Common::decode5A3image(image_buffer.data(), banner_data.data(), BANNER_WIDTH, BANNER_HEIGHT);
+  Common::Decode5A3Image(image_buffer.data(), banner_data.data(), BANNER_WIDTH, BANNER_HEIGHT);
 
   *width = BANNER_WIDTH;
   *height = BANNER_HEIGHT;