diff --git a/lib/index.cc b/lib/index.cc
index 8c145540..d9612e03 100644
--- a/lib/index.cc
+++ b/lib/index.cc
@@ -26,11 +26,11 @@
 
 /* Oh, how I wish that gobject didn't require so much noisy boilerplate!
  * (Though I have at least eliminated some of the stock set...) */
-typedef struct _NotmuchFilterDiscardUuencode NotmuchFilterDiscardUuencode;
-typedef struct _NotmuchFilterDiscardUuencodeClass NotmuchFilterDiscardUuencodeClass;
+typedef struct _NotmuchFilterDiscardNonTerm NotmuchFilterDiscardNonTerm;
+typedef struct _NotmuchFilterDiscardNonTermClass NotmuchFilterDiscardNonTermClass;
 
 /**
- * NotmuchFilterDiscardUuencode:
+ * NotmuchFilterDiscardNonTerm:
  *
  * @parent_object: parent #GMimeFilter
  * @encode: encoding vs decoding
@@ -54,18 +54,18 @@ typedef struct _NotmuchFilterDiscardUuencodeClass NotmuchFilterDiscardUuencodeCl
  * final line of encoded data (the line not starting with M) will be
  * indexed.
  **/
-struct _NotmuchFilterDiscardUuencode {
+struct _NotmuchFilterDiscardNonTerm {
     GMimeFilter parent_object;
     int state;
 };
 
-struct _NotmuchFilterDiscardUuencodeClass {
+struct _NotmuchFilterDiscardNonTermClass {
     GMimeFilterClass parent_class;
 };
 
-static GMimeFilter *notmuch_filter_discard_uuencode_new (void);
+static GMimeFilter *notmuch_filter_discard_non_term_new (void);
 
-static void notmuch_filter_discard_uuencode_finalize (GObject *object);
+static void notmuch_filter_discard_non_term_finalize (GObject *object);
 
 static GMimeFilter *filter_copy (GMimeFilter *filter);
 static void filter_filter (GMimeFilter *filter, char *in, size_t len, size_t prespace,
@@ -78,14 +78,14 @@ static void filter_reset (GMimeFilter *filter);
 static GMimeFilterClass *parent_class = NULL;
 
 static void
-notmuch_filter_discard_uuencode_class_init (NotmuchFilterDiscardUuencodeClass *klass)
+notmuch_filter_discard_non_term_class_init (NotmuchFilterDiscardNonTermClass *klass)
 {
     GObjectClass *object_class = G_OBJECT_CLASS (klass);
     GMimeFilterClass *filter_class = GMIME_FILTER_CLASS (klass);
 
     parent_class = (GMimeFilterClass *) g_type_class_ref (GMIME_TYPE_FILTER);
 
-    object_class->finalize = notmuch_filter_discard_uuencode_finalize;
+    object_class->finalize = notmuch_filter_discard_non_term_finalize;
 
     filter_class->copy = filter_copy;
     filter_class->filter = filter_filter;
@@ -94,7 +94,7 @@ notmuch_filter_discard_uuencode_class_init (NotmuchFilterDiscardUuencodeClass *k
 }
 
 static void
-notmuch_filter_discard_uuencode_finalize (GObject *object)
+notmuch_filter_discard_non_term_finalize (GObject *object)
 {
     G_OBJECT_CLASS (parent_class)->finalize (object);
 }
@@ -103,14 +103,14 @@ static GMimeFilter *
 filter_copy (GMimeFilter *gmime_filter)
 {
     (void) gmime_filter;
-    return notmuch_filter_discard_uuencode_new ();
+    return notmuch_filter_discard_non_term_new ();
 }
 
 static void
 filter_filter (GMimeFilter *gmime_filter, char *inbuf, size_t inlen, size_t prespace,
 	       char **outbuf, size_t *outlen, size_t *outprespace)
 {
-    NotmuchFilterDiscardUuencode *filter = (NotmuchFilterDiscardUuencode *) gmime_filter;
+    NotmuchFilterDiscardNonTerm *filter = (NotmuchFilterDiscardNonTerm *) gmime_filter;
     register const char *inptr = inbuf;
     const char *inend = inbuf + inlen;
     char *outptr;
@@ -185,40 +185,40 @@ filter_complete (GMimeFilter *filter, char *inbuf, size_t inlen, size_t prespace
 static void
 filter_reset (GMimeFilter *gmime_filter)
 {
-    NotmuchFilterDiscardUuencode *filter = (NotmuchFilterDiscardUuencode *) gmime_filter;
+    NotmuchFilterDiscardNonTerm *filter = (NotmuchFilterDiscardNonTerm *) gmime_filter;
 
     filter->state = 0;
 }
 
 /**
- * notmuch_filter_discard_uuencode_new:
+ * notmuch_filter_discard_non_term_new:
  *
- * Returns: a new #NotmuchFilterDiscardUuencode filter.
+ * Returns: a new #NotmuchFilterDiscardNonTerm filter.
  **/
 static GMimeFilter *
-notmuch_filter_discard_uuencode_new (void)
+notmuch_filter_discard_non_term_new (void)
 {
     static GType type = 0;
-    NotmuchFilterDiscardUuencode *filter;
+    NotmuchFilterDiscardNonTerm *filter;
 
     if (!type) {
 	static const GTypeInfo info = {
-	    sizeof (NotmuchFilterDiscardUuencodeClass),
+	    sizeof (NotmuchFilterDiscardNonTermClass),
 	    NULL, /* base_class_init */
 	    NULL, /* base_class_finalize */
-	    (GClassInitFunc) notmuch_filter_discard_uuencode_class_init,
+	    (GClassInitFunc) notmuch_filter_discard_non_term_class_init,
 	    NULL, /* class_finalize */
 	    NULL, /* class_data */
-	    sizeof (NotmuchFilterDiscardUuencode),
+	    sizeof (NotmuchFilterDiscardNonTerm),
 	    0,    /* n_preallocs */
 	    NULL, /* instance_init */
 	    NULL  /* value_table */
 	};
 
-	type = g_type_register_static (GMIME_TYPE_FILTER, "NotmuchFilterDiscardUuencode", &info, (GTypeFlags) 0);
+	type = g_type_register_static (GMIME_TYPE_FILTER, "NotmuchFilterDiscardNonTerm", &info, (GTypeFlags) 0);
     }
 
-    filter = (NotmuchFilterDiscardUuencode *) g_object_newv (type, 0, NULL);
+    filter = (NotmuchFilterDiscardNonTerm *) g_object_newv (type, 0, NULL);
     filter->state = 0;
 
     return (GMimeFilter *) filter;
@@ -306,7 +306,7 @@ _index_mime_part (notmuch_message_t *message,
 		  GMimeObject *part)
 {
     GMimeStream *stream, *filter;
-    GMimeFilter *discard_uuencode_filter;
+    GMimeFilter *discard_non_term_filter;
     GMimeDataWrapper *wrapper;
     GByteArray *byte_array;
     GMimeContentDisposition *disposition;
@@ -396,10 +396,10 @@ _index_mime_part (notmuch_message_t *message,
     g_mime_stream_mem_set_owner (GMIME_STREAM_MEM (stream), FALSE);
 
     filter = g_mime_stream_filter_new (stream);
-    discard_uuencode_filter = notmuch_filter_discard_uuencode_new ();
+    discard_non_term_filter = notmuch_filter_discard_non_term_new ();
 
     g_mime_stream_filter_add (GMIME_STREAM_FILTER (filter),
-			      discard_uuencode_filter);
+			      discard_non_term_filter);
 
     charset = g_mime_object_get_content_type_parameter (part, "charset");
     if (charset) {
@@ -421,7 +421,7 @@ _index_mime_part (notmuch_message_t *message,
 
     g_object_unref (stream);
     g_object_unref (filter);
-    g_object_unref (discard_uuencode_filter);
+    g_object_unref (discard_non_term_filter);
 
     g_byte_array_append (byte_array, (guint8 *) "\0", 1);
     body = (char *) g_byte_array_free (byte_array, FALSE);