diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+* 0.12.3 [2019-02-24]
+
+Remove now-invalid doctest options from doctests.hs.
+
 * 0.12.2 [2018-09-26]
 
 Add new parseQueryReplacePlus function, which allows specifying whether to replace '+' with ' '.
diff --git a/http-types.cabal b/http-types.cabal
--- a/http-types.cabal
+++ b/http-types.cabal
@@ -1,5 +1,5 @@
 Name:                http-types
-Version:             0.12.2
+Version:             0.12.3
 Synopsis:            Generic HTTP types for Haskell (for both client and server code).
 Description:         Generic HTTP types for Haskell (for both client and server code).
 Homepage:            https://github.com/aristidb/http-types
@@ -16,7 +16,7 @@
 Source-repository this
   type: git
   location: https://github.com/aristidb/http-types.git
-  tag: 0.12.2
+  tag: 0.12.3
 
 Source-repository head
   type: git
diff --git a/test/doctests.hs b/test/doctests.hs
--- a/test/doctests.hs
+++ b/test/doctests.hs
@@ -4,9 +4,6 @@
 
 main :: IO ()
 main = doctest [
-    "-idist/build/autogen/"
-  , "-optP-include"
-  , "-optPdist/build/autogen/cabal_macros.h"
-  , "-XOverloadedStrings"
+    "-XOverloadedStrings"
   , "Network/HTTP/Types.hs"
   ]