diff --git a/.gitignore b/.gitignore
index 1cddda698a..8f94ea5004 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,9 +41,10 @@ thirdparty/Mono.Nat.dll
 thirdparty/Moq.dll
 thirdparty/nuget.exe
 thirdparty/windows/lua51.dll
-thirdparty/windows/zlib1.dll
 thirdparty/windows/soft_oal.dll
 thirdparty/FuzzyLogicLibrary.dll
+thirdparty/SDL2-CS.dll
+thirdparty/Eluant.dll
 
 # backup files by various editors
 *~
diff --git a/Makefile b/Makefile
index 604e31053d..3f5d97d132 100644
--- a/Makefile
+++ b/Makefile
@@ -286,6 +286,8 @@ all: cli-dependencies core tools
 clean:
 	@-$(RM_F) *.exe *.dll ./OpenRA*/*.dll ./OpenRA*/*.mdb *.mdb mods/**/*.dll mods/**/*.mdb *.resources
 	@-$(RM_RF) ./*/bin ./*/obj
+	@-$(RM_F) ./thirdparty/*.dll
+	@-$(RM_RF) ./thirdparty/windows
 
 distclean: clean
 
diff --git a/make.ps1 b/make.ps1
index 41f4c6b7c0..a765ee7f10 100644
--- a/make.ps1
+++ b/make.ps1
@@ -71,8 +71,10 @@ elseif ($command -eq "clean")
 	else
 	{
 		$proc = Start-Process $msBuild $msBuildArguments -NoNewWindow -PassThru -Wait
-		rm *.dll # delete third party dependencies
+		rm *.dll
 		rm *.config
+		rm thirdparty/*.dll
+		rmdir thirdparty/windows/
 		rm mods/*/*.dll
 		echo "Clean complete."
 	}
diff --git a/packaging/osx/buildpackage.sh b/packaging/osx/buildpackage.sh
index 98ac5ef34d..102bdcae59 100755
--- a/packaging/osx/buildpackage.sh
+++ b/packaging/osx/buildpackage.sh
@@ -14,7 +14,7 @@ if [ -e "OpenRA.app" ]; then
     exit 2
 fi
 
-wget https://github.com/OpenRA/OpenRALauncherOSX/releases/download/${LAUNCHER_TAG}/launcher.zip || exit 3
+curl -s -L -O https://github.com/OpenRA/OpenRALauncherOSX/releases/download/${LAUNCHER_TAG}/launcher.zip || exit 3
 unzip launcher.zip
 rm launcher.zip
 
diff --git a/packaging/package-all.sh b/packaging/package-all.sh
index 2c245a6e54..e5297df063 100755
--- a/packaging/package-all.sh
+++ b/packaging/package-all.sh
@@ -22,9 +22,9 @@ make package
 find . -path "*.mdb" -delete
 
 test -e Changelog.md && rm Changelog.md
-wget https://raw.githubusercontent.com/wiki/OpenRA/OpenRA/Changelog.md
+curl -s -L -O https://raw.githubusercontent.com/wiki/OpenRA/OpenRA/Changelog.md
 
-wget http://daringfireball.net/projects/downloads/Markdown_1.0.1.zip
+curl -s -L -O http://daringfireball.net/projects/downloads/Markdown_1.0.1.zip
 unzip Markdown_1.0.1.zip
 rm -rf Markdown_1.0.1.zip
 ./Markdown_1.0.1/Markdown.pl Changelog.md > CHANGELOG.html
diff --git a/thirdparty/Eluant.dll b/thirdparty/Eluant.dll
deleted file mode 100644
index 2eef902457..0000000000
Binary files a/thirdparty/Eluant.dll and /dev/null differ
diff --git a/thirdparty/README b/thirdparty/README
deleted file mode 100644
index cd5c102446..0000000000
--- a/thirdparty/README
+++ /dev/null
@@ -1,11 +0,0 @@
-The DLLs in this directory are sourced from:
-
-Eluant.dll
-	https://github.com/pchote/Eluant/
-	Commit 483f326bd071024f58dc7917da81e31ef680e85e
-	MIT license
-
-SDL2-CS.dll
-	https://github.com/flibitijibibo/SDL2-CS/
-	Commit e8731efadb249a40f46d646e2b783ec588326ea6
-	zlib license
diff --git a/thirdparty/SDL2-CS.dll b/thirdparty/SDL2-CS.dll
deleted file mode 100644
index f0862452d7..0000000000
Binary files a/thirdparty/SDL2-CS.dll and /dev/null differ
diff --git a/thirdparty/fetch-thirdparty-deps.ps1 b/thirdparty/fetch-thirdparty-deps.ps1
index 0f9eff630a..e0531c83bb 100644
--- a/thirdparty/fetch-thirdparty-deps.ps1
+++ b/thirdparty/fetch-thirdparty-deps.ps1
@@ -121,3 +121,17 @@ if (!(Test-Path "FuzzyLogicLibrary.dll"))
 	cp FuzzyLogicLibrary/bin/Release/FuzzyLogicLibrary.dll .
 	rmdir FuzzyLogicLibrary -Recurse
 }
+
+if (!(Test-Path "SDL2-CS.dll"))
+{
+	echo "Fetching SDL2 C# from GitHub."
+	$target = Join-Path $pwd.ToString() "SDL2-CS.dll"
+	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/SDL2-CS/releases/download/20140407/SDL2-CS.dll", $target)
+}
+
+if (!(Test-Path "Eluant.dll"))
+{
+	echo "Fetching Eluant from GitHub."
+	$target = Join-Path $pwd.ToString() "Eluant.dll"
+	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/Eluant/releases/download/20140425/Eluant.dll", $target)
+}
diff --git a/thirdparty/fetch-thirdparty-deps.sh b/thirdparty/fetch-thirdparty-deps.sh
index 639f6688dd..acf263d699 100755
--- a/thirdparty/fetch-thirdparty-deps.sh
+++ b/thirdparty/fetch-thirdparty-deps.sh
@@ -72,3 +72,13 @@ if [ ! -f FuzzyLogicLibrary.dll ]; then
 	cp ./FuzzyLogicLibrary/bin/Release/FuzzyLogicLibrary.dll .
 	rm -rf FuzzyLogicLibrary
 fi
+
+if [ ! -f SDL2-CS.dll ]; then
+	echo "Fetching SDL2-CS from GitHub."
+	curl -s -L -O https://github.com/OpenRA/SDL2-CS/releases/download/20140407/SDL2-CS.dll
+fi
+
+if [ ! -f Eluant.dll ]; then
+	echo "Fetching Eluant from GitHub."
+	curl -s -L -O https://github.com/OpenRA/Eluant/releases/download/20140425/Eluant.dll
+fi