diff --git a/src/libecoPCR/ecofilter.c b/src/libecoPCR/ecofilter.c
index 52e6dbc..8a7dbb1 100644
--- a/src/libecoPCR/ecofilter.c
+++ b/src/libecoPCR/ecofilter.c
@@ -1,18 +1,5 @@
 #include "ecoPCR.h"
 
-int eco_is_taxid_ignored(	int32_t *ignored_taxid, 
-							int32_t tab_len, 
-							int32_t taxid)
-{
-	int i;
-	for (i=0; i < tab_len; i++){
-		if(taxid == ignored_taxid[i])
-			return 1;
-	}
-	return 0;
-}
-
-
 int eco_is_taxid_included(	ecotaxonomy_t *taxonomy, 
 							int32_t *restricted_taxid, 
 							int32_t tab_len,