diff --git a/aegisub/src/video_frame.cpp b/aegisub/src/video_frame.cpp
index 6d9b0430f..27eaedb69 100644
--- a/aegisub/src/video_frame.cpp
+++ b/aegisub/src/video_frame.cpp
@@ -236,39 +236,6 @@ wxImage AegiVideoFrame::GetImage() const {
 	}
 }
 
-
-
-/// @brief Get float luminosity data 
-/// @param buffer 
-///
-void AegiVideoFrame::GetFloat(float *buffer) const {
-	int Bpp = GetBpp();
-	const unsigned char *src = data[0];
-	float *dst = buffer;
-	float temp;
-
-	// Convert
-	if (format == FORMAT_RGB32 || format == FORMAT_RGB24) {
-		int delta = 4-Bpp;
-		for (unsigned int y=0;y<h;y++) {
-			dst = buffer + y*w;
-			if (flipped) src = data[0] + (h-y-1)*pitch[0];	// I think that it requires flipped data - amz
-			else src = data[0] + y*pitch[0];
-			for (unsigned int x=0;x<w;x++) {
-				//temp = (*src++)*0.3 + (*src++)*0.4 + (*src++)*0.3;	
-				temp = (*src++)*0.3;
-				temp += (*src++)*0.4;
-				temp += (*src++)*0.3;
-	
-				src += delta;
-				*dst++ = temp;
-			}
-		}
-	}
-}
-
-
-
 /// @brief Get bytes per pixel for the current frame format
 /// @param plane 
 /// @return 
diff --git a/aegisub/src/video_frame.h b/aegisub/src/video_frame.h
index f90129c45..728235d6a 100644
--- a/aegisub/src/video_frame.h
+++ b/aegisub/src/video_frame.h
@@ -43,30 +43,29 @@
 
 /// DOCME
 enum VideoFrameFormat {
-
 	/// DOCME
 	FORMAT_NONE		= 0x0000,
 
-	/// DOCME
-	FORMAT_RGB24	= 0x0001, // RGB, interleaved
+	/// RGB, interleaved
+	FORMAT_RGB24	= 0x0001,
 
-	/// DOCME
-	FORMAT_RGB32	= 0x0002, // RGBA, interleaved
+	/// RGBA, interleaved
+	FORMAT_RGB32	= 0x0002,
 
-	/// DOCME
-	FORMAT_YUY2		= 0x0004, // YCbCr 4:2:2, planar
+	/// YCbCr 4:2:2, planar
+	FORMAT_YUY2		= 0x0004,
 
-	/// DOCME
-	FORMAT_YV12		= 0x0008, // YCbCr 4:2:0, planar
+	/// YCbCr 4:2:0, planar
+	FORMAT_YV12		= 0x0008,
 
-	/// DOCME
-	FORMAT_YUV444	= 0x0010, // YCbCr 4:4:4, planar
+	/// YCbCr 4:4:4, planar
+	FORMAT_YUV444	= 0x0010,
 
-	/// DOCME
-	FORMAT_YUV444A	= 0x0020, // YCbCr 4:4:4 plus alpha, planar
+	/// YCbCr 4:4:4 plus alpha, planar
+	FORMAT_YUV444A	= 0x0020,
 
-	/// DOCME
-	FORMAT_YUVMONO	= 0x0040, // Y only (greyscale)
+	/// Y only (greyscale)
+	FORMAT_YUVMONO	= 0x0040,
 };
 
 
@@ -85,30 +84,30 @@ private:
 
 public:
 
-	/// DOCME
-	unsigned char *data[4];		// Pointers to the data planes. Interleaved formats only use data[0]
+	/// Pointers to the data planes. Interleaved formats only use data[0]
+	unsigned char *data[4];
 
-	/// DOCME
-	VideoFrameFormat format;	// Data format
+	/// Data format
+	VideoFrameFormat format;
 
-	/// DOCME
-	unsigned int w;				// Width in pixels
+	/// Width in pixels
+	unsigned int w;
 
-	/// DOCME
-	unsigned int h;				// Height in pixels
+	/// Height in pixels
+	unsigned int h;
 
-	/// DOCME
-	unsigned int pitch[4];		// Pitch, that is, the number of bytes used by each row.
+	// Pitch, that is, the number of bytes used by each row.
+	unsigned int pitch[4];
 
 
-	/// DOCME
-	bool flipped;				// First row is actually the bottom one
+	/// First row is actually the bottom one
+	bool flipped;
 
-	/// DOCME
-	bool invertChannels;		// Swap Red and Blue channels or U and V planes (controls RGB versus BGR ordering etc)
+	/// Swap Red and Blue channels or U and V planes (controls RGB versus BGR ordering etc)
+	bool invertChannels;
 
-	/// DOCME
-	bool cppAlloc;				// Allocated with C++'s "new" operator, instead of "malloc"
+	/// Allocated with C++'s "new" operator, instead of "malloc"
+	bool cppAlloc;
 
 	AegiVideoFrame();
 	AegiVideoFrame(int width,int height,VideoFrameFormat format=FORMAT_RGB32);
@@ -119,7 +118,6 @@ public:
 	void ConvertFrom(const AegiVideoFrame &source);
 
 	wxImage GetImage() const;
-	void GetFloat(float *buffer) const;
 	int GetBpp(int plane=0) const;
 };
 
diff --git a/aegisub/src/video_provider_avs.h b/aegisub/src/video_provider_avs.h
index d969c4881..556b407e9 100644
--- a/aegisub/src/video_provider_avs.h
+++ b/aegisub/src/video_provider_avs.h
@@ -107,8 +107,6 @@ public:
 	~AvisynthVideoProvider();
 
 	const AegiVideoFrame GetFrame(int n);
-	void GetFloatFrame(float* Buffer, int n);
-
 
 	/// @brief // properties
 	/// @return 
diff --git a/aegisub/src/video_provider_cache.cpp b/aegisub/src/video_provider_cache.cpp
index 5740897c1..9cfcb2e00 100644
--- a/aegisub/src/video_provider_cache.cpp
+++ b/aegisub/src/video_provider_cache.cpp
@@ -88,19 +88,6 @@ const AegiVideoFrame VideoProviderCache::GetFrame(int n) {
 	return *srcFrame;
 }
 
-
-
-/// @brief Get as float 
-/// @param buffer 
-/// @param n      
-///
-void VideoProviderCache::GetFloatFrame(float* buffer, int n) {
-	const AegiVideoFrame frame = GetFrame(n);
-	frame.GetFloat(buffer);
-}
-
-
-
 /// @brief Set maximum cache size 
 /// @param n 
 ///
diff --git a/aegisub/src/video_provider_cache.h b/aegisub/src/video_provider_cache.h
index 543c2dd2c..927f47046 100644
--- a/aegisub/src/video_provider_cache.h
+++ b/aegisub/src/video_provider_cache.h
@@ -94,7 +94,6 @@ protected:
 
 public:
 	// Base methods
-	void GetFloatFrame(float* Buffer, int n);	// Get frame as float
 	const AegiVideoFrame GetFrame(int n);
 	VideoProviderCache(VideoProvider *master);
 	virtual ~VideoProviderCache();