diff --git a/build/Makefile.global b/build/Makefile.global
index 7774e70c4540e..82e0d69f35e30 100644
--- a/build/Makefile.global
+++ b/build/Makefile.global
@@ -80,7 +80,7 @@ PHP_TEST_SHARED_EXTENSIONS =  ` \
 	fi; \
 	if test "x$(PHP_ZEND_EX)" != "x"; then \
 		for i in $(PHP_ZEND_EX)""; do \
-			. $$i; $(top_srcdir)/build/shtool echo -n -- " -d $(ZEND_EXT_TYPE)=$(top_builddir)/modules/$$dlname"; \
+			. $$i; $(top_srcdir)/build/shtool echo -n -- " -d zend_extension=$(top_builddir)/modules/$$dlname"; \
 		done; \
 	fi`
 PHP_DEPRECATED_DIRECTIVES_REGEX = '^(magic_quotes_(gpc|runtime|sybase)?|(zend_)?extension(_debug)?(_ts)?)[\t\ ]*='
diff --git a/configure.ac b/configure.ac
index 741406503e4b6..4f03e74cdf65b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -165,9 +165,6 @@ test -z "$CFLAGS" && auto_cflags=1
 abs_srcdir=`(cd $srcdir; pwd)`
 abs_builddir=`pwd`
 
-php_abs_top_srcdir=$abs_srcdir
-php_abs_top_builddir=$abs_builddir
-
 dnl Because `make install` is often performed by the superuser, we create the
 dnl libs subdirectory as the user who configures PHP. Otherwise, the current
 dnl user will not be able to delete libs or the contents of libs.
@@ -1381,8 +1378,6 @@ PHP_SUBST(EXT_LIBS)
 
 PHP_SUBST_OLD(abs_builddir)
 PHP_SUBST_OLD(abs_srcdir)
-PHP_SUBST_OLD(php_abs_top_builddir)
-PHP_SUBST_OLD(php_abs_top_srcdir)
 
 PHP_SUBST(bindir)
 PHP_SUBST(sbindir)
@@ -1458,9 +1453,6 @@ if test "$PHP_WERROR" = "yes"; then
   CPPFLAGS="$CPPFLAGS -Werror"
 fi
 
-ZEND_EXT_TYPE="zend_extension"
-PHP_SUBST(ZEND_EXT_TYPE)
-
 dnl
 dnl Libtool creation.
 dnl
diff --git a/scripts/phpize.m4 b/scripts/phpize.m4
index 880309bce7fc5..f583a521469f9 100644
--- a/scripts/phpize.m4
+++ b/scripts/phpize.m4
@@ -111,10 +111,6 @@ php_zts_is_enabled
 CPPFLAGS=$old_CPPFLAGS
 AC_MSG_RESULT([$PHP_THREAD_SAFETY])
 
-dnl Support for building and testing Zend extensions.
-ZEND_EXT_TYPE="zend_extension"
-PHP_SUBST(ZEND_EXT_TYPE)
-
 dnl Discard optimization flags when debugging is enabled.
 if test "$PHP_DEBUG" = "yes"; then
   PHP_DEBUG=1