diff --git a/src/lib/formats/ti99_dsk.c b/src/lib/formats/ti99_dsk.c
index 8504578a4dc..ab6c564fb79 100644
--- a/src/lib/formats/ti99_dsk.c
+++ b/src/lib/formats/ti99_dsk.c
@@ -513,7 +513,6 @@ int ti99_floppy_format::decode_bitstream(const UINT8 *bitstream, UINT8 *trackdat
 	int tpos = 0;
 	int pos = 0;
 	int state;
-	bool good = false;
 	int marks = 0;
 	int current_sector = 0;
 
@@ -909,7 +908,6 @@ void ti99_sdf_format::load_track(io_generic *io, UINT8 *trackdata, int head, int
 	int skew = fm? 6 : 0;
 
 	int secsize = fm? 334 : 340;
-	int secoff = fm? 33 : 58;
 	int position = 0;
 	int count = 0;