diff --git a/ext/pgsql/config.w32 b/ext/pgsql/config.w32
index e1ee38c3000..603239c4314 100644
--- a/ext/pgsql/config.w32
+++ b/ext/pgsql/config.w32
@@ -7,7 +7,7 @@ if (PHP_PGSQL != "no") {
 		CHECK_HEADER_ADD_INCLUDE("libpq-fe.h", "CFLAGS_PGSQL", PHP_PGSQL + "\\include;" + PHP_PHP_BUILD + "\\include\\pgsql;" + PHP_PHP_BUILD + "\\include\\libpq;" + PHP_PGSQL)) {
 		EXTENSION("pgsql", "pgsql.c", PHP_PGSQL_SHARED, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
 		AC_DEFINE('HAVE_PGSQL', 1, 'Have PostgreSQL library');
-		ADD_FLAG("CFLAGS_PGSQL", "/D PGSQL_EXPORTS /D HAVE_PQFREEMEM /D HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT" + (X64 ? " /D HAVE_PG_LO64" : "") + " ");
+		ADD_FLAG("CFLAGS_PGSQL", "/D PGSQL_EXPORTS /D HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT" + (X64 ? " /D HAVE_PG_LO64" : "") + " ");
 		ADD_EXTENSION_DEP('pgsql', 'pcre');
 	} else {
 		WARNING("pgsql not enabled; libraries and headers not found");
diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index ca526e1bb6f..5d23741b0c0 100644
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -112,10 +112,6 @@ char pgsql_libpq_version[16];
 		RETURN_THROWS(); \
 	}
 
-#ifndef HAVE_PQFREEMEM
-#define PQfreemem free
-#endif
-
 #ifndef HAVE_PQERRORS_SQLSTATE
 #define PQERRORS_SQLSTATE 0
 #endif