diff --git a/ghc-configure-fix-sphinx-version-check.patch b/ghc-configure-fix-sphinx-version-check.patch
deleted file mode 100644
index c19da05..0000000
--- a/ghc-configure-fix-sphinx-version-check.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- ghc-8.2.2/configure.ac~	2017-11-21 05:22:42.000000000 +0900
-+++ ghc-8.2.2/configure.ac	2018-05-28 12:37:35.296728423 +0900
-@@ -745,7 +745,7 @@
- AC_CACHE_CHECK([for version of sphinx-build], fp_cv_sphinx_version,
- changequote(, )dnl
- [if test -n "$SPHINXBUILD"; then
--  fp_cv_sphinx_version=`"$SPHINXBUILD" --version 2>&1 | sed 's/Sphinx\( (sphinx-build)\)\? v\?\([0-9]\.[0-9]\.[0-9]\)/\2/' | head -n1`;
-+  fp_cv_sphinx_version=`"$SPHINXBUILD" --version 2>&1 | sed 's/.* v\?\([0-9]\.[0-9]\.[0-9]\)/\1/' | head -n1`;
- fi;
- changequote([, ])dnl
- ])