Index: uspace/lib/drv/generic/driver.c
===================================================================
--- uspace/lib/drv/generic/driver.c	(revision dc9a3bad35af1e44ff24f701c2fc929aba3a5e55)
+++ uspace/lib/drv/generic/driver.c	(revision e10d41aadcc79d6daf95be94a88c873b2da4e492)
@@ -595,5 +595,5 @@
 
 /** Allocate driver-specific device data. */
-extern void *ddf_dev_data_alloc(ddf_dev_t *dev, size_t size)
+void *ddf_dev_data_alloc(ddf_dev_t *dev, size_t size)
 {
 	void *data;
@@ -657,5 +657,5 @@
 
 /** Allocate driver-specific function data. */
-extern void *ddf_fun_data_alloc(ddf_fun_t *fun, size_t size)
+void *ddf_fun_data_alloc(ddf_fun_t *fun, size_t size)
 {
 	void *data;