diff --git a/aegisub/docs/doxygen/doxyfile_aegisub b/aegisub/docs/doxygen/doxyfile_aegisub
index 876a5b043..bd23b98a7 100644
--- a/aegisub/docs/doxygen/doxyfile_aegisub
+++ b/aegisub/docs/doxygen/doxyfile_aegisub
@@ -25,7 +25,6 @@ PREDEFINED             +=	\
 							WITH_OPENAL \
 							WITH_PORTAUDIO \
 							WITH_PORTAUDIO2 \
-							WITH_PULSEAUDIO \
-							WITH_QUICKTIME \
+							WITH_LIBPULSE \
 							WITH_STARTUPLOG \
 							WITH_UNIVCHARDET
diff --git a/aegisub/docs/doxygen/pages_aegisub/groups.dox b/aegisub/docs/doxygen/pages_aegisub/groups.dox
index 038c14118..5249ffa70 100644
--- a/aegisub/docs/doxygen/pages_aegisub/groups.dox
+++ b/aegisub/docs/doxygen/pages_aegisub/groups.dox
@@ -14,7 +14,6 @@
 @defgroup main_headers Main Headers
 @defgroup main_ui Main UI
 @defgroup matroska Matroska support.
-@defgroup quicktime QuickTime support.
 @defgroup scripting Scripting
 @defgroup secondary_ui Secondary UI
 @defgroup spelling Spelling
diff --git a/aegisub/docs/doxygen/pages_aegisub/index.dox b/aegisub/docs/doxygen/pages_aegisub/index.dox
index e309597ce..21e6ec3a0 100644
--- a/aegisub/docs/doxygen/pages_aegisub/index.dox
+++ b/aegisub/docs/doxygen/pages_aegisub/index.dox
@@ -16,7 +16,6 @@ Main
 
 Library
  - @ref ffms
- - @ref quicktime
  - @ref matroska
 
 Dialogues
diff --git a/aegisub/reporter/include/platform.h b/aegisub/reporter/include/platform.h
index 0289d8658..33d1256de 100644
--- a/aegisub/reporter/include/platform.h
+++ b/aegisub/reporter/include/platform.h
@@ -267,14 +267,6 @@ public:
 	/// @retval Any
 	virtual std::string PatchLevel()=0;
 
-	/// QuickTime extensions
-	/// @return json::Array of extensions used
-	/// @retval A json::Array in the format of:
-	/// \verbatim
-	/// { "version", "name" }
-	/// \endverbatim
-	virtual std::string QuickTimeExt()=0;
-
 	/// Hardware model
 	/// @return Model
 	/// @retval Any
diff --git a/aegisub/reporter/platform.cpp b/aegisub/reporter/platform.cpp
index 2144b8d75..3c198e832 100644
--- a/aegisub/reporter/platform.cpp
+++ b/aegisub/reporter/platform.cpp
@@ -202,10 +202,6 @@ std::string Platform::PatchLevel() {
 	return "";
 }
 
-std::string Platform::QuickTimeExt() {
-	return "";
-}
-
 std::string Platform::HardwareModel() {
 	return "";
 }
diff --git a/aegisub/reporter/platform_unix_osx.cpp b/aegisub/reporter/platform_unix_osx.cpp
index 6c158bba5..4b8e7f813 100644
--- a/aegisub/reporter/platform_unix_osx.cpp
+++ b/aegisub/reporter/platform_unix_osx.cpp
@@ -86,10 +86,6 @@ std::string PlatformUnixOSX::PatchLevel() {
 	return "";
 }
 
-std::string PlatformUnixOSX::QuickTimeExt() {
-	return "";
-}
-
 std::string PlatformUnixOSX::HardwareModel() {
 	char model[300];
 	size_t len = sizeof(model);
diff --git a/aegisub/reporter/platform_unix_osx.h b/aegisub/reporter/platform_unix_osx.h
index daa26eab8..b7e868be0 100644
--- a/aegisub/reporter/platform_unix_osx.h
+++ b/aegisub/reporter/platform_unix_osx.h
@@ -36,7 +36,6 @@ public:
 	virtual uint64_t Memory();
 
 	virtual std::string PatchLevel();
-	virtual std::string QuickTimeExt();
 	virtual std::string HardwareModel();
 
 	// Unix Specific
diff --git a/aegisub/reporter/report.cpp b/aegisub/reporter/report.cpp
index e847eb2cd..904708624 100644
--- a/aegisub/reporter/report.cpp
+++ b/aegisub/reporter/report.cpp
@@ -115,7 +115,6 @@ Report::Report() {
 #ifdef __APPLE__
 	json::Object& osx = root["OS X"];
 	osx["Patch"] = p->PatchLevel();
-	osx["QuickTime Extensions"] = p->QuickTimeExt();
 	osx["Model"] = p->HardwareModel();
 #endif