diff --git a/libtransmission/bitfield.h b/libtransmission/bitfield.h
index 64760fcfe..85298b81c 100644
--- a/libtransmission/bitfield.h
+++ b/libtransmission/bitfield.h
@@ -97,27 +97,6 @@ tr_bitfieldHasNone( const tr_bitfield * b )
     return b->bit_count ? ( b->true_count == 0 ) : b->have_none_hint;
 }
 
-/** A stripped-down version of bitfieldHas to be used
-    for speed when you're looping quickly. This version
-    has none of tr_bitfieldHas()'s safety checks, so you
-    need to call tr_bitfieldTestFast() first before you
-    start looping. */
-static inline bool
-tr_bitfieldHasFast( const tr_bitfield * b, const size_t n )
-{
-    if( tr_bitfieldHasAll( b ) ) return true;
-    if( tr_bitfieldHasNone( b ) ) return false;
-    return ( b->bits[n>>3u] << ( n & 7u ) & 0x80 ) != 0;
-}
-
-/** @param high the highest nth bit you're going to access */
-static inline bool
-tr_bitfieldTestFast( const tr_bitfield * b, const size_t high )
-{
-    return ( b != NULL )
-        && ( high < b->bit_count );
-}
-
 static inline bool
 tr_bitfieldHas( const tr_bitfield * b, size_t n )
 {
diff --git a/libtransmission/peer-mgr.c b/libtransmission/peer-mgr.c
index 8044f532c..eb55315c4 100644
--- a/libtransmission/peer-mgr.c
+++ b/libtransmission/peer-mgr.c
@@ -1244,8 +1244,6 @@ tr_incrReplicationFromBitfield( Torrent * t, const tr_bitfield * b )
     const size_t n = t->tor->info.pieceCount;
 
     assert( replicationExists( t ) );
-    assert( n == t->pieceReplicationSize );
-    assert( tr_bitfieldTestFast( b, n-1 ) );
 
     for( i=0; i<n; ++i )
         if( tr_bitfieldHas( b, i ) )
diff --git a/libtransmission/session.c b/libtransmission/session.c
index eb212ac84..e94488663 100644
--- a/libtransmission/session.c
+++ b/libtransmission/session.c
@@ -1335,7 +1335,7 @@ testTurtleTime( const struct tr_turtle_info * t,
     if( minute_of_the_week >= MINUTES_PER_WEEK ) /* leap minutes? */
         minute_of_the_week = MINUTES_PER_WEEK - 1;
 
-    e = tr_bitfieldHasFast( &t->minutes, minute_of_the_week );
+    e = tr_bitfieldHas( &t->minutes, minute_of_the_week );
     if( enabled != NULL )
         *enabled = e;
 
@@ -1343,7 +1343,7 @@ testTurtleTime( const struct tr_turtle_info * t,
     {
         const size_t prev = minute_of_the_week > 0 ? minute_of_the_week - 1
                                                    : MINUTES_PER_WEEK - 1;
-        *changed = e != tr_bitfieldHasFast( &t->minutes, prev );
+        *changed = e != tr_bitfieldHas( &t->minutes, prev );
     }
 }