diff --git a/dub.sdl b/dub.sdl
index d8d31c79..29a7ff28 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -9,7 +9,6 @@ targetPath "bin"
 targetName "d++"
 
 dependency "libclang" version="~>0.3.1"
-dependency "sumtype"  version="~>1.2.0"
 
 versions "SumTypeNoDefaultCtor"
 
diff --git a/dub.selections.json b/dub.selections.json
index ad19d251..435b5998 100644
--- a/dub.selections.json
+++ b/dub.selections.json
@@ -2,7 +2,6 @@
 	"fileVersion": 1,
 	"versions": {
 		"libclang": "0.3.3",
-		"sumtype": "1.2.8",
 		"unit-threaded": "2.1.9"
 	}
 }