diff --git a/legacy/ecore/src/lib/ecore_x/Ecore_X.h b/legacy/ecore/src/lib/ecore_x/Ecore_X.h
index f4c7191ca1..b42f7af3c4 100644
--- a/legacy/ecore/src/lib/ecore_x/Ecore_X.h
+++ b/legacy/ecore/src/lib/ecore_x/Ecore_X.h
@@ -971,7 +971,7 @@ EAPI void             ecore_x_dnd_type_get_prefetch(Ecore_X_Window window);
 EAPI void             ecore_x_dnd_type_get_fetch(void);
 EAPI int              ecore_x_dnd_type_isset(Ecore_X_Window win, const char *type);
 EAPI void             ecore_x_dnd_type_set(Ecore_X_Window win, const char *type, int on);
-EAPI void             ecore_x_dnd_types_set(Ecore_X_Window win, char **types, unsigned int num_types);
+EAPI void             ecore_x_dnd_types_set(Ecore_X_Window win, const char **types, unsigned int num_types);
 EAPI void             ecore_x_dnd_actions_set(Ecore_X_Window win, Ecore_X_Atom *actions, unsigned int num_actions);
 EAPI void             ecore_x_dnd_begin_prefetch(Ecore_X_Window source);
 EAPI void             ecore_x_dnd_begin_fetch(void);
diff --git a/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_dnd.c b/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_dnd.c
index 6419e46a2a..5dfa49c578 100644
--- a/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_dnd.c
+++ b/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_dnd.c
@@ -354,7 +354,7 @@ ecore_x_dnd_type_set(Ecore_X_Window window,
  */
 EAPI void
 ecore_x_dnd_types_set(Ecore_X_Window window,
-                      char         **types,
+                      const char   **types,
                       unsigned int   num_types)
 {
    Ecore_X_Atom *newset = NULL;
diff --git a/legacy/ecore/src/lib/ecore_x/xlib/ecore_x_dnd.c b/legacy/ecore/src/lib/ecore_x/xlib/ecore_x_dnd.c
index c2f0659116..382dff813c 100644
--- a/legacy/ecore/src/lib/ecore_x/xlib/ecore_x_dnd.c
+++ b/legacy/ecore/src/lib/ecore_x/xlib/ecore_x_dnd.c
@@ -80,7 +80,7 @@ _ecore_x_dnd_shutdown(void)
 }
 
 static int
-_ecore_x_dnd_converter_copy(char *target, void *data, int size, void **data_ret, int *size_ret)
+_ecore_x_dnd_converter_copy(char *target __UNUSED__, void *data, int size, void **data_ret, int *size_ret)
 {
    XTextProperty text_prop;
    char *mystr;
@@ -95,7 +95,7 @@ _ecore_x_dnd_converter_copy(char *target, void *data, int size, void **data_ret,
 
    if (XmbTextListToTextProperty(_ecore_x_disp, &mystr, 1, style, &text_prop) == Success)
      {
-	int bufsize = strlen(text_prop.value) + 1;
+	int bufsize = strlen((char *)text_prop.value) + 1;
 	*data_ret = malloc(bufsize);
 	memcpy(*data_ret, text_prop.value, bufsize);
 	*size_ret = bufsize;
@@ -260,7 +260,7 @@ ecore_x_dnd_type_set(Ecore_X_Window win, const char *type, int on)
 }
 
 EAPI void
-ecore_x_dnd_types_set(Ecore_X_Window win, char **types, unsigned int num_types)
+ecore_x_dnd_types_set(Ecore_X_Window win, const char **types, unsigned int num_types)
 {
    Ecore_X_Atom      *newset = NULL;
    unsigned int      i;