diff --git a/tests/gss/check-basic.in b/tests/gss/check-basic.in
index e01e4d73b..515d3efc3 100644
--- a/tests/gss/check-basic.in
+++ b/tests/gss/check-basic.in
@@ -94,10 +94,10 @@ echo "Doing database check"
 ${kadmin} check ${R} || exit 1
 
 echo Starting kdc
-${kdc} --testing --detach || { echo "kdc failed to start"; cat messages.log; exit 1; }
+${kdc} --detach --testing || { echo "kdc failed to start"; cat messages.log; exit 1; }
 kdcpid=`getpid kdc`
 
-trap "kill ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
+trap "kill -9 ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
 
 exitcode=0
 
diff --git a/tests/gss/check-context.in b/tests/gss/check-context.in
index c5a5efb57..46c058d06 100644
--- a/tests/gss/check-context.in
+++ b/tests/gss/check-context.in
@@ -118,7 +118,7 @@ echo Starting kdc
 ${kdc} --detach --testing || { echo "kdc failed to start"; cat messages.log; exit 1; }
 kdcpid=`getpid kdc`
 
-trap "kill ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
+trap "kill -9 ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
 
 testfailed="echo test failed; cat messages.log; exit 1"
 
diff --git a/tests/gss/check-gssmask.in b/tests/gss/check-gssmask.in
index 941776743..539e2e94e 100644
--- a/tests/gss/check-gssmask.in
+++ b/tests/gss/check-gssmask.in
@@ -96,7 +96,7 @@ echo Starting kdc
 ${kdc} --detach --testing || { echo "kdc failed to start"; cat messages.log; exit 1; }
 kdcpid=`getpid kdc`
 
-trap "kill ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
+trap "kill -9 ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
 
 exitcode=0
 
diff --git a/tests/gss/check-ntlm.in b/tests/gss/check-ntlm.in
index d35fb3a40..f953630d0 100644
--- a/tests/gss/check-ntlm.in
+++ b/tests/gss/check-ntlm.in
@@ -110,7 +110,7 @@ echo Starting kdc
 ${kdc} --detach --testing || { echo "kdc failed to start"; cat messages.log; exit 1; }
 kdcpid=`getpid kdc`
 
-trap "kill ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
+trap "kill -9 ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
 
 exitcode=0
 
diff --git a/tests/gss/check-spnego.in b/tests/gss/check-spnego.in
index b56dd2a46..d6e4d8331 100644
--- a/tests/gss/check-spnego.in
+++ b/tests/gss/check-spnego.in
@@ -109,7 +109,7 @@ echo Starting kdc
 ${kdc} --detach --testing || { echo "kdc failed to start"; cat messages.log; exit 1; }
 kdcpid=`getpid kdc`
 
-trap "kill ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
+trap "kill -9 ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
 
 exitcode=0