diff --git a/src/libresrc/default_config.json b/src/libresrc/default_config.json
index 731d48d6f..593d4524e 100644
--- a/src/libresrc/default_config.json
+++ b/src/libresrc/default_config.json
@@ -590,7 +590,6 @@
 			},
 			"Pattern" : false
 		},
-		"Force BT.601" : false,
 		"Last Script Resolution Mismatch Choice" : 2,
 		"Open Audio" : true,
 		"Overscan Mask" : false,
diff --git a/src/libresrc/osx/default_config.json b/src/libresrc/osx/default_config.json
index 707625e82..fc3dd4daf 100644
--- a/src/libresrc/osx/default_config.json
+++ b/src/libresrc/osx/default_config.json
@@ -590,7 +590,6 @@
 			},
 			"Pattern" : false
 		},
-		"Force BT.601" : false,
 		"Last Script Resolution Mismatch Choice" : 2,
 		"Open Audio" : true,
 		"Overscan Mask" : false,
diff --git a/src/preferences.cpp b/src/preferences.cpp
index 93cac807c..c835bad13 100644
--- a/src/preferences.cpp
+++ b/src/preferences.cpp
@@ -421,9 +421,6 @@ void Advanced_Video(wxTreebook *book, Preferences *parent) {
 	wxArrayString sp_choice = to_wx(SubtitlesProviderFactory::GetClasses());
 	p->OptionChoice(expert, _("Subtitles provider"), sp_choice, "Subtitle/Provider");
 
-	p->CellSkip(expert);
-	p->OptionAdd(expert, _("Force BT.601"), "Video/Force BT.601");
-
 #ifdef WITH_AVISYNTH
 	auto avisynth = p->PageSizer("Avisynth");
 	p->OptionAdd(avisynth, _("Allow pre-2.56a Avisynth"), "Provider/Avisynth/Allow Ancient");
diff --git a/src/project.cpp b/src/project.cpp
index 5ed6578d4..312f86fe8 100644
--- a/src/project.cpp
+++ b/src/project.cpp
@@ -58,7 +58,6 @@ Project::Project(agi::Context *c) : context(c) {
 	OPT_SUB("Provider/Video/FFmpegSource/Decoding Threads", &Project::ReloadVideo, this);
 	OPT_SUB("Provider/Video/FFmpegSource/Unsafe Seeking", &Project::ReloadVideo, this);
 	OPT_SUB("Subtitle/Provider", &Project::ReloadVideo, this);
-	OPT_SUB("Video/Force BT.601", &Project::ReloadVideo, this);
 	OPT_SUB("Video/Provider", &Project::ReloadVideo, this);
 }
 
diff --git a/src/resolution_resampler.cpp b/src/resolution_resampler.cpp
index ee4e19f87..e5c0b56f9 100644
--- a/src/resolution_resampler.cpp
+++ b/src/resolution_resampler.cpp
@@ -48,7 +48,7 @@ static const std::string names[] = {
 };
 
 YCbCrMatrix MatrixFromString(std::string const& str) {
-	if (str.empty()) return YCbCrMatrix::tv_601;
+	if (str.empty()) return YCbCrMatrix::tv_709;
 	auto pos = std::find(std::begin(names), std::end(names), str);
 	if (pos == std::end(names))
 		return YCbCrMatrix::rgb;
diff --git a/src/video_provider_avs.cpp b/src/video_provider_avs.cpp
index 5273a128d..dabcdaa68 100644
--- a/src/video_provider_avs.cpp
+++ b/src/video_provider_avs.cpp
@@ -191,17 +191,16 @@ void AvisynthVideoProvider::Init(std::string const& colormatrix) {
 		real_colorspace = colorspace = "None";
 	else {
 		/// @todo maybe read ColorMatrix hints for d2v files?
-		AVSValue args[2] = { script, "Rec601" };
-		bool force_bt601 = OPT_GET("Video/Force BT.601")->GetBool() || colormatrix == "TV.601";
+		AVSValue args[2] = { script, "Rec709" };
 		bool bt709 = vi.width > 1024 || vi.height >= 600;
-		if (bt709 && (!force_bt601 || colormatrix == "TV.709")) {
-			args[1] = "Rec709";
-			real_colorspace = colorspace = "TV.709";
+		if (colormatrix == "TV.601") {
+			args[1] = "Rec601";
+			colorspace = "TV.601";
 		}
 		else {
-			colorspace = "TV.601";
-			real_colorspace = bt709 ? "TV.709" : "TV.601";
+			colorspace = "TV.709";
 		}
+		real_colorspace = bt709 ? "TV.709" : "TV.601";
 		const char *argnames[2] = { 0, "matrix" };
 		script = avs.GetEnv()->Invoke("ConvertToRGB32", AVSValue(args, 2), argnames);
 	}
diff --git a/src/video_provider_ffmpegsource.cpp b/src/video_provider_ffmpegsource.cpp
index 2f057e93d..a76339659 100644
--- a/src/video_provider_ffmpegsource.cpp
+++ b/src/video_provider_ffmpegsource.cpp
@@ -243,9 +243,9 @@ void FFmpegSourceVideoProvider::LoadVideo(agi::fs::path const& filename, std::st
 	RealColorSpace = ColorSpace = colormatrix_description(CS, CR);
 
 #if FFMS_VERSION >= ((2 << 24) | (17 << 16) | (1 << 8) | 0)
-	if (CS != FFMS_CS_RGB && CS != FFMS_CS_BT470BG && ColorSpace != colormatrix && (colormatrix == "TV.601" || OPT_GET("Video/Force BT.601")->GetBool())) {
+	if (CS != FFMS_CS_RGB && CS != FFMS_CS_BT470BG && ColorSpace != colormatrix && colormatrix == "TV.601") {
 		CS = FFMS_CS_BT470BG;
-		ColorSpace = colormatrix_description(FFMS_CS_BT470BG, CR);
+		ColorSpace = colormatrix_description(CS, CR);
 	}
 
 	if (CS != VideoCS) {