diff --git a/include/em.h b/include/em.h
index 3a49e6733..f77f9ae2a 100644
--- a/include/em.h
+++ b/include/em.h
@@ -47,9 +47,6 @@
 /* Size of an extended memory page */
 #define EM_PAGE_SIZE          256
 
-/* Driver constants */
-#define EM_DRV_DETECT           0
-
 /* Error codes */
 #define EM_ERR_OK               0       /* No error */
 #define EM_ERR_NO_DRIVER        1       /* No driver available */
@@ -74,9 +71,6 @@ struct em_copy {
 
 
 
-unsigned char __fastcall__ em_load (unsigned char driver);
-/* Load the extended memory driver and return an error code. */
-
 unsigned char __fastcall__ em_load_driver (const char* driver);
 /* Load an extended memory driver and return an error code */
 
diff --git a/libsrc/em/em_load.c b/libsrc/em/em_load.c
index 7eb6a690f..ff9a234a9 100644
--- a/libsrc/em/em_load.c
+++ b/libsrc/em/em_load.c
@@ -41,14 +41,6 @@
 
 
 
-unsigned char __fastcall__ em_load (unsigned char driver)
-/* Load the extended memory driver and return an error code. */
-{
-    return EM_ERR_NO_DRIVER;
-}
-
-
-
 unsigned char __fastcall__ em_load_driver (const char* name)
 /* Load an extended memory driver and return an error code */
 {