diff --git a/bin/tests/system/notify/tests.sh b/bin/tests/system/notify/tests.sh
index a1b82a1c4c..6d1b1bf2a4 100644
--- a/bin/tests/system/notify/tests.sh
+++ b/bin/tests/system/notify/tests.sh
@@ -28,13 +28,6 @@ TOP="`cd ../../../..; pwd`"
 NAMED=$TOP/bin/named/named
 export NAMED
 
-if [ -f dig.out.ns2 ]; then
-	rm -f dig.out.ns2
-fi
-if [ -f dig.out.ns3 ]; then
-	rm -f dig.out.ns3
-fi
-
 status=0
 ../../../dig/dig +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd a.example.\
 	@10.53.0.2 a > dig.out.ns2
diff --git a/bin/tests/system/views/tests.sh b/bin/tests/system/views/tests.sh
index 8b635e64ab..b0a4f02d4a 100644
--- a/bin/tests/system/views/tests.sh
+++ b/bin/tests/system/views/tests.sh
@@ -28,8 +28,6 @@ TOP="`cd ../../../..; pwd`"
 NAMED=$TOP/bin/named/named
 export NAMED
 
-rm -f dig.out.ns2* dig.out.ns3* 2>&1 > /dev/null
-
 status=0;
 ../../../dig/dig +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd +noauth\
 	a.example. @10.53.0.2 any > dig.out.ns2.1
diff --git a/bin/tests/system/xfer/tests.sh b/bin/tests/system/xfer/tests.sh
index bdbb0910e8..ca07bdd4a2 100644
--- a/bin/tests/system/xfer/tests.sh
+++ b/bin/tests/system/xfer/tests.sh
@@ -23,14 +23,6 @@ echo "A:A test to determine online functionality of zone transfers"
 # Perform tests
 #
 
-if [ -f dig.out.ns2 ]; then
-	rm -f dig.out.ns2
-fi
-if [ -f dig.out.ns3 ]; then
-	rm -f dig.out.ns3
-fi
-
-
 status=0;
 ../../../dig/dig +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example. \
 	@10.53.0.2 axfr > dig.out.ns2
diff --git a/bin/tests/system/xferquota/tests.sh b/bin/tests/system/xferquota/tests.sh
index caea47317c..a978c1fca0 100644
--- a/bin/tests/system/xferquota/tests.sh
+++ b/bin/tests/system/xferquota/tests.sh
@@ -23,13 +23,6 @@ echo "A:A test to determine online speed of zone transfers"
 # Perform tests
 #
 
-if [ -f dig.out.ns1 ]; then
-	rm -f dig.out.ns1
-fi
-if [ -f dig.out.ns2 ]; then
-	rm -f dig.out.ns2
-fi
-
 count=0
 ticks=0
 while [ $count != 300 ]; do