diff --git a/src/lib/common/file.c b/src/lib/common/file.c
index d626f0cd..d710376e 100644
--- a/src/lib/common/file.c
+++ b/src/lib/common/file.c
@@ -212,10 +212,8 @@ ef_ptr(int type, int id)
     ep = &empfile[type];
     if (CANT_HAPPEN(!(ep->flags & EFF_MEM) || !ep->cache))
 	return NULL;
-    if (id < 0 || id >= ep->fids) {
-	CANT_HAPPEN(id != ep->fids);
+    if (id < 0 || id >= ep->fids)
 	return NULL;
-    }
     return ep->cache + ep->size * id;
 }
 
@@ -235,10 +233,8 @@ ef_read(int type, int id, void *into)
     ep = &empfile[type];
     if (CANT_HAPPEN(!ep->cache))
 	return 0;
-    if (id < 0 || id >= ep->fids) {
-	CANT_HAPPEN(id != ep->fids);
+    if (id < 0 || id >= ep->fids)
 	return 0;
-    }
 
     if (ep->flags & EFF_MEM) {
 	from = ep->cache + id * ep->size;