diff --git a/php_xdebug.h b/php_xdebug.h
index f00239f81..cb46f66ea 100644
--- a/php_xdebug.h
+++ b/php_xdebug.h
@@ -265,14 +265,7 @@ ZEND_BEGIN_MODULE_GLOBALS(xdebug)
 	char         *lasttransid;
 
 	/* output redirection */
-#if PHP_VERSION_ID < 50400
-	php_output_globals stdio;
-	int           stdout_redirected;
-	int           stderr_redirected;
-	int           stdin_redirected;
-#else
 	int           stdout_mode;
-#endif
 
 	/* aggregate profiling */
 	HashTable  aggr_calls;
diff --git a/xdebug.c b/xdebug.c
index 2e8d69e8c..55a806936 100644
--- a/xdebug.c
+++ b/xdebug.c
@@ -77,9 +77,7 @@ void (*xdebug_new_error_cb)(int type, const char *error_filename, const uint err
 void xdebug_error_cb(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args);
 
 static int xdebug_header_handler(sapi_header_struct *h XG_SAPI_HEADER_OP_DC, sapi_headers_struct *s TSRMLS_DC);
-#if PHP_VERSION_ID >= 50400
 static int xdebug_ub_write(const char *string, unsigned int lenght TSRMLS_DC);
-#endif
 
 static void xdebug_throw_exception_hook(zval *exception TSRMLS_DC);
 int xdebug_exit_handler(ZEND_OPCODE_HANDLER_ARGS);
@@ -88,9 +86,7 @@ int zend_xdebug_initialised = 0;
 int zend_xdebug_global_offset = -1;
 
 int (*xdebug_orig_header_handler)(sapi_header_struct *h XG_SAPI_HEADER_OP_DC, sapi_headers_struct *s TSRMLS_DC);
-#if PHP_VERSION_ID >= 50400
 int (*xdebug_orig_ub_write)(const char *string, unsigned int len TSRMLS_DC);
-#endif
 
 static int xdebug_trigger_enabled(int setting, char *var_name TSRMLS_DC);
 
@@ -346,13 +342,11 @@ static void php_xdebug_init_globals (zend_xdebug_globals *xg TSRMLS_DC)
 	}
 	xg->headers = NULL;
 
-#if PHP_VERSION_ID >= 50400
 	/* Capturing output */
 	if (sapi_module.ub_write != xdebug_ub_write) {
 		xdebug_orig_ub_write = sapi_module.ub_write;
 		sapi_module.ub_write = xdebug_ub_write;
 	}
-#endif
 }
 
 static void php_xdebug_shutdown_globals (zend_xdebug_globals *xg TSRMLS_DC)
@@ -687,12 +681,11 @@ PHP_MINIT_FUNCTION(xdebug)
 		xdebug_orig_header_handler = sapi_module.header_handler;
 		sapi_module.header_handler = xdebug_header_handler;
 	}
-# if PHP_VERSION_ID >= 50400
+
 	if (sapi_module.ub_write != xdebug_ub_write) {
 		xdebug_orig_ub_write = sapi_module.ub_write;
 		sapi_module.ub_write = xdebug_ub_write;
 	}
-# endif
 #endif
 
 	return SUCCESS;
@@ -792,7 +785,6 @@ static void xdebug_stack_element_dtor(void *dummy, void *elem)
 #define COOKIE_ENCODE
 #endif
 
-#if PHP_VERSION_ID >= 50400
 int xdebug_ub_write(const char *string, unsigned int length TSRMLS_DC)
 {
 	TSRMLS_FETCH();
@@ -804,7 +796,6 @@ int xdebug_ub_write(const char *string, unsigned int length TSRMLS_DC)
 	}
 	return xdebug_orig_ub_write(string, length);
 }
-#endif
 
 PHP_RINIT_FUNCTION(xdebug)
 {
diff --git a/xdebug_handler_dbgp.c b/xdebug_handler_dbgp.c
index 8de2aecfa..6c083d0a8 100644
--- a/xdebug_handler_dbgp.c
+++ b/xdebug_handler_dbgp.c
@@ -1339,43 +1339,6 @@ static int xdebug_send_stream(const char *name, const char *str, uint str_length
 	return 0;
 }
 
-#if PHP_VERSION_ID < 50400
-static int xdebug_header_write(const char *str, uint str_length TSRMLS_DC)
-{
-	/* nesting_level is zero when final output is sent to sapi */
-	if (OG(ob_nesting_level) < 1) {
-		zend_unset_timeout(TSRMLS_C);
-		if (XG(stdout_redirected) != 0) {
-			xdebug_send_stream("stdout", str, str_length TSRMLS_CC);
-		}
-#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3) || PHP_MAJOR_VERSION >= 6
-		zend_set_timeout(EG(timeout_seconds), 0);
-#else
-		zend_set_timeout(EG(timeout_seconds));
-#endif
-	}
-	return XG(stdio).php_header_write(str, str_length TSRMLS_CC);
-}
-
-static int xdebug_body_write(const char *str, uint str_length TSRMLS_DC)
-{
-	/* nesting_level is zero when final output is sent to sapi. We also dont
-	 * want to write if headers are not sent yet, the output layer will handle
-	 * this correctly later. */
-	if (OG(ob_nesting_level) < 1 && SG(headers_sent)) {
-		zend_unset_timeout(TSRMLS_C);
-		if (XG(stdout_redirected) != 0) {
-			xdebug_send_stream("stdout", str, str_length TSRMLS_CC);
-		}
-#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3) || PHP_MAJOR_VERSION >= 6
-		zend_set_timeout(EG(timeout_seconds), 0);
-#else
-		zend_set_timeout(EG(timeout_seconds));
-#endif
-	}
-	return XG(stdio).php_body_write(str, str_length TSRMLS_CC);
-}
-#endif
 
 DBGP_FUNC(stderr)
 {
@@ -1392,31 +1355,9 @@ DBGP_FUNC(stdout)
 	}
 
 	mode = strtol(CMD_OPTION('c'), NULL, 10);
-#if PHP_VERSION_ID < 50400
-	if (mode == 0 && XG(stdout_redirected) != 0) {
-		if (XG(stdio).php_body_write != NULL && OG(php_body_write)) {
-			OG(php_body_write) = XG(stdio).php_body_write;
-			OG(php_header_write) = XG(stdio).php_header_write;
-			
-			XG(stdio).php_body_write = NULL;
-			XG(stdio).php_header_write = NULL;
-			success = "1";
-		}
-	} else if (mode != 0 && XG(stdout_redirected) == 0) {
-		if (XG(stdio).php_body_write == NULL && OG(php_body_write)) {
-			XG(stdio).php_body_write = OG(php_body_write);
-			OG(php_body_write) = xdebug_body_write;
-			XG(stdio).php_header_write = OG(php_header_write);
-			OG(php_header_write) = xdebug_header_write;
-			success = "1";
-		}
-	}
-
-	XG(stdout_redirected) = mode;
-#else
 	XG(stdout_mode) = mode;
 	success = "1";
-#endif
+
 	xdebug_xml_add_attribute_ex(*retval, "success", xdstrdup(success), 0, 1);
 }
 
@@ -1476,13 +1417,7 @@ DBGP_FUNC(detach)
 	xdebug_xml_add_attribute(*retval, "reason", xdebug_dbgp_reason_strings[XG(reason)]);
 	XG(context).handler->remote_deinit(&(XG(context)));
 	XG(remote_enabled) = 0;
-#if PHP_VERSION_ID < 50400
-	XG(stdout_redirected) = 0;
-	XG(stderr_redirected) = 0;
-	XG(stdin_redirected) = 0;
-#else
 	XG(stdout_mode) = 0;
-#endif
 }
 
 
@@ -2444,14 +2379,6 @@ int xdebug_dbgp_init(xdebug_con *context, int mode)
 	XG(lastcmd) = NULL;
 	XG(lasttransid) = NULL;
 
-#if PHP_VERSION_ID < 50400
-	XG(stdout_redirected) = 0;
-	XG(stderr_redirected) = 0;
-	XG(stdin_redirected) = 0;
-	XG(stdio).php_body_write = NULL;
-	XG(stdio).php_header_write = NULL;
-#endif
-
 	response = xdebug_xml_node_init("init");
 	xdebug_xml_add_attribute(response, "xmlns", "urn:debugger_protocol_v1");
 	xdebug_xml_add_attribute(response, "xmlns:xdebug", "http://xdebug.org/dbgp/xdebug");
@@ -2549,15 +2476,7 @@ int xdebug_dbgp_deinit(xdebug_con *context)
 	
 		xdebug_dbgp_cmdloop(context, 0 TSRMLS_CC);
 	}
-#if PHP_VERSION_ID < 50400
-	if (XG(stdio).php_body_write != NULL && OG(php_body_write)) {
-		OG(php_body_write) = XG(stdio).php_body_write;
-		OG(php_header_write) = XG(stdio).php_header_write;
-		
-		XG(stdio).php_body_write = NULL;
-		XG(stdio).php_header_write = NULL;
-	}
-#endif
+
 	if (XG(remote_enabled)) {
 		options = (xdebug_var_export_options*) context->options;
 		xdfree(options->runtime);
@@ -2699,7 +2618,6 @@ int xdebug_dbgp_breakpoint(xdebug_con *context, xdebug_llist *stack, char *file,
 	return 1;
 }
 
-#if PHP_VERSION_ID >= 50400
 int xdebug_dbgp_stream_output(const char *string, unsigned int length TSRMLS_DC)
 {
 	if ((XG(stdout_mode) == 1 || XG(stdout_mode) == 2) && length) {
@@ -2711,7 +2629,6 @@ int xdebug_dbgp_stream_output(const char *string, unsigned int length TSRMLS_DC)
 	}
 	return -1;
 }
-#endif
 
 static char *create_eval_key_file(char *filename, int lineno)
 {
diff --git a/xdebug_handler_dbgp.h b/xdebug_handler_dbgp.h
index 281111905..644bddbd2 100644
--- a/xdebug_handler_dbgp.h
+++ b/xdebug_handler_dbgp.h
@@ -92,24 +92,10 @@ int xdebug_dbgp_init(xdebug_con *context, int mode);
 int xdebug_dbgp_deinit(xdebug_con *context);
 int xdebug_dbgp_error(xdebug_con *context, int type, char *exception_type, char *message, const char *location, const uint line, xdebug_llist *stack);
 int xdebug_dbgp_breakpoint(xdebug_con *context, xdebug_llist *stack, char *file, long lineno, int type, char *exception, char *message);
-#if PHP_VERSION_ID >= 50400
 int xdebug_dbgp_stream_output(const char *string, unsigned int length TSRMLS_DC);
-#endif
 int xdebug_dbgp_register_eval_id(xdebug_con *context, function_stack_entry *fse);
 char *xdebug_dbgp_get_revision(void);
 
-#if PHP_VERSION_ID < 50400
-#define xdebug_handler_dbgp {       \
-	xdebug_dbgp_init,               \
-	xdebug_dbgp_deinit,             \
-	xdebug_dbgp_error,              \
-	xdebug_dbgp_breakpoint,         \
-	xdebug_dbgp_register_eval_id,   \
-	xdebug_dbgp_get_revision        \
-}
-#endif
-
-#if PHP_VERSION_ID >= 50400
 #define xdebug_handler_dbgp {       \
 	xdebug_dbgp_init,               \
 	xdebug_dbgp_deinit,             \
@@ -119,7 +105,6 @@ char *xdebug_dbgp_get_revision(void);
 	xdebug_dbgp_register_eval_id,   \
 	xdebug_dbgp_get_revision        \
 }
-#endif
 
 #endif
 
diff --git a/xdebug_handlers.h b/xdebug_handlers.h
index e8b9bf453..6f13454cc 100644
--- a/xdebug_handlers.h
+++ b/xdebug_handlers.h
@@ -112,10 +112,8 @@ struct _xdebug_remote_handler {
 	/* Breakpoints */
 	int (*remote_breakpoint)(xdebug_con *h, xdebug_llist *stack, char *file, long lineno, int type, char *exception, char *message);
 
-#if PHP_VERSION_ID >= 50400
 	/* Output redirection */
 	int (*remote_stream_output)(const char *string, unsigned int length TSRMLS_DC);
-#endif
 
 	/* Eval ID registration and removal */
 	int (*register_eval_id)(xdebug_con *h, function_stack_entry *fse);