diff --git a/src/mockingboard/seqplay.pla b/src/mockingboard/seqplay.pla
index a72f3ee..729e3b2 100755
--- a/src/mockingboard/seqplay.pla
+++ b/src/mockingboard/seqplay.pla
@@ -5,8 +5,6 @@ include "../inc/args.plh"
 // Usage is documented following the source in this file...
 //
 const rndseed        = $004E
-const FALSE          = 0
-const TRUE           = !FALSE
 const LSB            = 0
 const MSB            = 1
 const MB_ARPEGGIO    = 4 // In 16ths of a second