diff --git a/usr.bin/yacc/tests/Makefile b/usr.bin/yacc/tests/Makefile
index 52e2a2738da2..728f3afd8f59 100644
--- a/usr.bin/yacc/tests/Makefile
+++ b/usr.bin/yacc/tests/Makefile
@@ -25,6 +25,9 @@ FILEStestDIR=	${TESTSDIR}
 
 FILEStest+=	btyacc_calc1.y
 FILEStest+=	btyacc_demo.y
+FILEStest+=	btyacc_destroy1.y
+FILEStest+=	btyacc_destroy2.y
+FILEStest+=	btyacc_destroy3.y
 FILEStest+=	calc.y
 FILEStest+=	calc1.y
 FILEStest+=	calc2.y
@@ -69,6 +72,7 @@ FILEStest+=	err_syntax8.y
 FILEStest+=	err_syntax8a.y
 FILEStest+=	err_syntax9.y
 FILEStest+=	error.y
+FILEStest+=	expr.oxout.y
 FILEStest+=	grammar.y
 FILEStest+=	inherit0.y
 FILEStest+=	inherit1.y
@@ -242,6 +246,10 @@ FILEStest_yacc+=	error.error
 FILEStest_yacc+=	error.output
 FILEStest_yacc+=	error.tab.c
 FILEStest_yacc+=	error.tab.h
+FILEStest_yacc+=	expr.oxout.error
+FILEStest_yacc+=	expr.oxout.output
+FILEStest_yacc+=	expr.oxout.tab.c
+FILEStest_yacc+=	expr.oxout.tab.h
 FILEStest_yacc+=	grammar.dot
 FILEStest_yacc+=	grammar.error
 FILEStest_yacc+=	grammar.output