diff --git a/.SRCINFO b/.SRCINFO
index 5184016..67f75d6 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -6,6 +6,7 @@ pkgbase = yash-git
 	arch = x86_64
 	license = GPL2
 	makedepends = git
+	makedepends = asciidoc
 	depends = ncurses
 	options = lto
 	source = yash-git::git+https://github.com/magicant/yash#branch=trunk
diff --git a/PKGBUILD b/PKGBUILD
index 97f7775..2283b0d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -11,7 +11,7 @@ url='https://yash.osdn.jp'
 license=('GPL2')
 
 depends=('ncurses')
-makedepends=('git')
+makedepends=('git' 'asciidoc')
 
 source=("${pkgname}::git+https://github.com/magicant/yash#branch=trunk")
 md5sums=('SKIP')
@@ -24,7 +24,7 @@ pkgver() {
 build() {
     cd "${pkgname}"
 
-    CFLAGS="$CFLAGS -O3" ./configure --prefix='/usr'
+    ./configure --prefix='/usr'
     make
 }