diff --git a/src/lib/ecore/efl_threadio.c b/src/lib/ecore/efl_threadio.c
index 96a2c4fa26..7d6c21cd26 100644
--- a/src/lib/ecore/efl_threadio.c
+++ b/src/lib/ecore/efl_threadio.c
@@ -43,17 +43,6 @@ _efl_threadio_outdata_get(const Eo *obj EINA_UNUSED, Efl_ThreadIO_Data *pd)
    return pd->outdata;
 }
 
-EOLIAN static void
-_efl_threadio_call(Eo *obj EINA_UNUSED, Efl_ThreadIO_Data *pd EINA_UNUSED, void *func_data EINA_UNUSED, EflThreadIOCall func EINA_UNUSED, Eina_Free_Cb func_free_cb EINA_UNUSED)
-{
-}
-
-EOLIAN static void *
-_efl_threadio_call_sync(Eo *obj EINA_UNUSED, Efl_ThreadIO_Data *pd EINA_UNUSED, void *func_data EINA_UNUSED, EflThreadIOCallSync func EINA_UNUSED, Eina_Free_Cb func_free_cb EINA_UNUSED)
-{
-   return NULL;
-}
-
 //////////////////////////////////////////////////////////////////////////
 
 #include "efl_threadio.eo.c"
diff --git a/src/lib/ecore/efl_threadio.eo b/src/lib/ecore/efl_threadio.eo
index f8d778c59a..58629fd7b4 100644
--- a/src/lib/ecore/efl_threadio.eo
+++ b/src/lib/ecore/efl_threadio.eo
@@ -39,13 +39,13 @@ mixin @beta Efl.ThreadIO
             data: void_ptr; [[Data pointer.]]
          }
       }
-      call {
+      call @pure_virtual {
          [[Executes a method on a different thread, asynchronously.]]
          params {
             func: EflThreadIOCall; [[The method to execute asynchronously.]]
          }
       }
-      call_sync {
+      call_sync @pure_virtual {
          [[Executes a method on a different thread, synchronously.
            This call will not return until the method finishes and its return value can be recovered.
          ]]