diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.multiprov.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.multiprov.ksh
index 7def9ed2abce..bf267c7c27f4 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.multiprov.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.multiprov.ksh
@@ -102,5 +102,5 @@ if [ $? -ne 0 ]; then
 fi
 
 cd /
-/usr/bin/rm -rf $DIR
+rm -rf $DIR
 exit 0
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noprobes.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noprobes.ksh
index a43970f56072..2c1aedcdece4 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noprobes.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noprobes.ksh
@@ -55,5 +55,5 @@ if [ $? -eq 0 ]; then
 fi
 
 cd /
-/usr/bin/rm -rf $DIR
+rm -rf $DIR
 exit 0
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh
index 0125d50b8072..905fb5538fc8 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh
@@ -123,6 +123,6 @@ else
 fi
 
 cd /
-/usr/bin/rm -rf $DIR
+rm -rf $DIR
 
 exit $status
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreapring.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreapring.ksh
index 1260903467ad..2afd78165fc4 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreapring.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreapring.ksh
@@ -119,6 +119,6 @@ fi
 
 kill $background
 cd /
-/usr/bin/rm -rf $DIR
+rm -rf $DIR
 
 exit $status
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.reap.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.reap.ksh
index e9b96638fc97..4f6c0ac87d97 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.reap.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.reap.ksh
@@ -110,6 +110,6 @@ grep D_PDESC_INVAL test.out 2> /dev/null 1>&2
 status=$?
 
 cd /
-/usr/bin/rm -rf $DIR
+rm -rf $DIR
 
 exit $status