diff --git a/cloud-update.groovy b/cloud-update.groovy
index 92701bd..3fd7723 100644
--- a/cloud-update.groovy
+++ b/cloud-update.groovy
@@ -168,9 +168,9 @@
         }
         def osRelease = salt.getGrain(pepperEnv, target, 'lsb_distrib_codename')
         if (osRelease.toString().toLowerCase().contains('trusty')) {
-            args = 'export DEBIAN_FRONTEND=noninteractive; apt-get -y -q --force-yes -o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" '
+            args = 'export DEBIAN_FRONTEND=noninteractive; apt-get -y -q --force-yes -o Dpkg::Options::=\"--force-confold\" '
         } else {
-            args = 'export DEBIAN_FRONTEND=noninteractive; apt-get -y -q -f --allow-downgrades -o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" '
+            args = 'export DEBIAN_FRONTEND=noninteractive; apt-get -y -q -f --allow-downgrades -o Dpkg::Options::=\"--force-confold\" '
         }
         if (out.toString().contains('errors:')) {
             try {
@@ -278,7 +278,7 @@
     }
 
     stage('Apply package downgrades') {
-        args = 'export DEBIAN_FRONTEND=noninteractive; apt-get -y -q --allow-downgrades -o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" '
+        args = 'export DEBIAN_FRONTEND=noninteractive; apt-get -y -q --allow-downgrades -o Dpkg::Options::=\"--force-confold\" '
         common.infoMsg('Performing pkgs purge/remove ... ')
         try {
             if (PURGE_PKGS != "") {
diff --git a/opencontrail-upgrade.groovy b/opencontrail-upgrade.groovy
index 1e09917..a358222 100644
--- a/opencontrail-upgrade.groovy
+++ b/opencontrail-upgrade.groovy
@@ -227,7 +227,7 @@
                         return
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${CMP_PKGS}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" ${CMP_PKGS}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveSubset, 'type': 'compound'], command, null, args, null)
@@ -265,7 +265,7 @@
                         return
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${CMP_PKGS}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\"  ${CMP_PKGS}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveAll, 'type': 'compound'], command, null, args, null)
@@ -443,7 +443,7 @@
                         return
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${CMP_PKGS}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" ${CMP_PKGS}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveSubset, 'type': 'compound'], command, null, args, null)
@@ -481,7 +481,7 @@
                         return
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${CMP_PKGS} -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\"  ${CMP_PKGS} -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveAll, 'type': 'compound'], command, null, args, null)
@@ -510,4 +510,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/opencontrail40-upgrade.groovy b/opencontrail40-upgrade.groovy
index e40fc14..93db009 100644
--- a/opencontrail40-upgrade.groovy
+++ b/opencontrail40-upgrade.groovy
@@ -309,7 +309,7 @@
                         throw er
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${cmpPkgs}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" ${cmpPkgs}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveSubset, 'type': 'compound'], command, null, args, null)
@@ -346,7 +346,7 @@
                         throw er
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${cmpPkgs}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install -o Dpkg::Options::=\"--force-confold\" ${cmpPkgs}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveAll, 'type': 'compound'], command, null, args, null)
@@ -456,7 +456,7 @@
                         throw er
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${cmpPkgs}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" ${cmpPkgs}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveSubset, 'type': 'compound'], command, null, args, null)
@@ -490,7 +490,7 @@
                         throw er
                     }
 
-                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" -o Dpkg::Options::=\"--force-confdef\" ${cmpPkgs}  -y;"
+                    args = "export DEBIAN_FRONTEND=noninteractive; apt install --allow-downgrades -o Dpkg::Options::=\"--force-confold\" ${cmpPkgs}  -y;"
                     check = 'contrail-status'
 
                     out = salt.runSaltCommand(pepperEnv, 'local', ['expression': targetLiveAll, 'type': 'compound'], command, null, args, null)