diff --git a/ext/pcre/config.m4 b/ext/pcre/config.m4
index ab1d7dc309c..6c6806ed410 100644
--- a/ext/pcre/config.m4
+++ b/ext/pcre/config.m4
@@ -12,7 +12,6 @@ AC_ARG_WITH(pcre-regex,
     	AC_MSG_RESULT(no) ;;
     yes)
         EXTRA_LIBS="-Lext/pcre/pcrelib -lpcre $EXTRA_LIBS"
-  dnl  	INCLUDES="-Iext/pcre/pcrelib $INCLUDES"
         PCRE_SUBDIR="pcrelib"
     	AC_DEFINE(HAVE_PCRE, 1)
         AC_DEFINE(HAVE_BUNDLED_PCRE, 1)
@@ -36,7 +35,6 @@ AC_ARG_WITH(pcre-regex,
   esac
 ],[
   EXTRA_LIBS="-Lext/pcre/pcrelib -lpcre $EXTRA_LIBS"
-dnl  INCLUDES="-Iext/pcre/pcrelib $INCLUDES"
   PCRE_SUBDIR="pcrelib"
   AC_DEFINE(HAVE_PCRE, 1)
   AC_DEFINE(HAVE_BUNDLED_PCRE, 1)
diff --git a/ext/pcre/config0.m4 b/ext/pcre/config0.m4
index ab1d7dc309c..6c6806ed410 100644
--- a/ext/pcre/config0.m4
+++ b/ext/pcre/config0.m4
@@ -12,7 +12,6 @@ AC_ARG_WITH(pcre-regex,
     	AC_MSG_RESULT(no) ;;
     yes)
         EXTRA_LIBS="-Lext/pcre/pcrelib -lpcre $EXTRA_LIBS"
-  dnl  	INCLUDES="-Iext/pcre/pcrelib $INCLUDES"
         PCRE_SUBDIR="pcrelib"
     	AC_DEFINE(HAVE_PCRE, 1)
         AC_DEFINE(HAVE_BUNDLED_PCRE, 1)
@@ -36,7 +35,6 @@ AC_ARG_WITH(pcre-regex,
   esac
 ],[
   EXTRA_LIBS="-Lext/pcre/pcrelib -lpcre $EXTRA_LIBS"
-dnl  INCLUDES="-Iext/pcre/pcrelib $INCLUDES"
   PCRE_SUBDIR="pcrelib"
   AC_DEFINE(HAVE_PCRE, 1)
   AC_DEFINE(HAVE_BUNDLED_PCRE, 1)