diff --git a/main/SAPI.c b/main/SAPI.c
index 51997c041760..534cc3a55202 100644
--- a/main/SAPI.c
+++ b/main/SAPI.c
@@ -355,45 +355,6 @@ SAPI_API size_t sapi_apply_default_charset(char **mimetype, size_t len)
 	return 0;
 }
 
-SAPI_API void sapi_activate_headers_only(void)
-{
-	if (SG(request_info).headers_read == 1)
-		return;
-	SG(request_info).headers_read = 1;
-	zend_llist_init(&SG(sapi_headers).headers, sizeof(sapi_header_struct),
-			(void (*)(void *)) sapi_free_header, 0);
-	SG(sapi_headers).send_default_content_type = 1;
-
-	/* SG(sapi_headers).http_response_code = 200; */
-	SG(sapi_headers).http_status_line = NULL;
-	SG(sapi_headers).mimetype = NULL;
-	SG(read_post_bytes) = 0;
-	SG(request_info).request_body = NULL;
-	SG(request_info).current_user = NULL;
-	SG(request_info).no_headers = 0;
-	SG(request_info).post_entry = NULL;
-	SG(global_request_time) = 0;
-
-	/*
-	 * It's possible to override this general case in the activate() callback,
-	 * if necessary.
-	 */
-	if (SG(request_info).request_method && !strcmp(SG(request_info).request_method, "HEAD")) {
-		SG(request_info).headers_only = 1;
-	} else {
-		SG(request_info).headers_only = 0;
-	}
-	if (SG(server_context)) {
-		SG(request_info).cookie_data = sapi_module.read_cookies();
-		if (sapi_module.activate) {
-			sapi_module.activate();
-		}
-	}
-	if (sapi_module.input_filter_init ) {
-		sapi_module.input_filter_init();
-	}
-}
-
 /*
  * Called from php_request_startup() for every request.
  */
diff --git a/main/SAPI.h b/main/SAPI.h
index 3d7f662b30f4..7af65e85dd38 100644
--- a/main/SAPI.h
+++ b/main/SAPI.h
@@ -222,7 +222,6 @@ SAPI_API char *sapi_getenv(const char *name, size_t name_len);
 SAPI_API char *sapi_get_default_content_type(void);
 SAPI_API void sapi_get_default_content_type_header(sapi_header_struct *default_header);
 SAPI_API size_t sapi_apply_default_charset(char **mimetype, size_t len);
-SAPI_API void sapi_activate_headers_only(void);
 
 SAPI_API double sapi_get_request_time(void);
 END_EXTERN_C()