diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 6225ac23e2..0f1fda2384 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -2474,7 +2474,6 @@ qemuDomainObjPrivateXMLFormat(virBufferPtr buf,
         }
 
         virBufferEscapeString(buf, "<monitor path='%s'", monitorpath);
-        virBufferAddLit(buf, " json='1'");
         virBufferAsprintf(buf, " type='%s'/>\n",
                           virDomainChrTypeToString(priv->monConfig->type));
     }
diff --git a/tests/qemustatusxml2xmldata/blockjob-mirror-in.xml b/tests/qemustatusxml2xmldata/blockjob-mirror-in.xml
index df23ac00aa..0fba3b69e7 100644
--- a/tests/qemustatusxml2xmldata/blockjob-mirror-in.xml
+++ b/tests/qemustatusxml2xmldata/blockjob-mirror-in.xml
@@ -1,6 +1,6 @@
 <domstatus state='running' reason='booted' pid='3803518'>
   <taint flag='high-privileges'/>
-  <monitor path='/var/lib/libvirt/qemu/test.monitor' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/test.monitor' type='unix'/>
   <vcpus>
     <vcpu id='0' pid='3803519'/>
   </vcpus>
diff --git a/tests/qemustatusxml2xmldata/disk-secinfo-upgrade-out.xml b/tests/qemustatusxml2xmldata/disk-secinfo-upgrade-out.xml
index 7a26e93aa4..3d5e8f1438 100644
--- a/tests/qemustatusxml2xmldata/disk-secinfo-upgrade-out.xml
+++ b/tests/qemustatusxml2xmldata/disk-secinfo-upgrade-out.xml
@@ -1,5 +1,5 @@
 <domstatus state='running' reason='booted' pid='195139'>
-  <monitor path='/var/lib/libvirt/qemu/domain-1-upstream/monitor.sock' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/domain-1-upstream/monitor.sock' type='unix'/>
   <namespaces>
     <mount/>
   </namespaces>
diff --git a/tests/qemustatusxml2xmldata/migration-in-params-in.xml b/tests/qemustatusxml2xmldata/migration-in-params-in.xml
index 03f18b4f3d..80cc4b4666 100644
--- a/tests/qemustatusxml2xmldata/migration-in-params-in.xml
+++ b/tests/qemustatusxml2xmldata/migration-in-params-in.xml
@@ -1,7 +1,7 @@
 <domstatus state='paused' reason='migration' pid='2296'>
   <taint flag='high-privileges'/>
   <taint flag='host-cpu'/>
-  <monitor path='/var/lib/libvirt/qemu/domain-1-nest/monitor.sock' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/domain-1-nest/monitor.sock' type='unix'/>
   <namespaces>
     <mount/>
   </namespaces>
diff --git a/tests/qemustatusxml2xmldata/migration-out-nbd-out.xml b/tests/qemustatusxml2xmldata/migration-out-nbd-out.xml
index 315d8e4c1a..455c30be85 100644
--- a/tests/qemustatusxml2xmldata/migration-out-nbd-out.xml
+++ b/tests/qemustatusxml2xmldata/migration-out-nbd-out.xml
@@ -1,6 +1,6 @@
 <domstatus state='running' reason='booted' pid='15433'>
   <taint flag='high-privileges'/>
-  <monitor path='/var/lib/libvirt/qemu/domain-4-upstream/monitor.sock' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/domain-4-upstream/monitor.sock' type='unix'/>
   <vcpus>
     <vcpu id='0' pid='15449'/>
     <vcpu id='1' pid='15450'/>
diff --git a/tests/qemustatusxml2xmldata/migration-out-nbd-tls-out.xml b/tests/qemustatusxml2xmldata/migration-out-nbd-tls-out.xml
index 869f37d488..409e97a918 100644
--- a/tests/qemustatusxml2xmldata/migration-out-nbd-tls-out.xml
+++ b/tests/qemustatusxml2xmldata/migration-out-nbd-tls-out.xml
@@ -1,6 +1,6 @@
 <domstatus state='running' reason='booted' pid='68472'>
   <taint flag='high-privileges'/>
-  <monitor path='/var/lib/libvirt/qemu/domain-3-upstream/monitor.sock' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/domain-3-upstream/monitor.sock' type='unix'/>
   <namespaces>
     <mount/>
   </namespaces>
diff --git a/tests/qemustatusxml2xmldata/migration-out-params-in.xml b/tests/qemustatusxml2xmldata/migration-out-params-in.xml
index ae2064830a..4a660281d2 100644
--- a/tests/qemustatusxml2xmldata/migration-out-params-in.xml
+++ b/tests/qemustatusxml2xmldata/migration-out-params-in.xml
@@ -1,7 +1,7 @@
 <domstatus state='paused' reason='migration' pid='21586'>
   <taint flag='high-privileges'/>
   <taint flag='host-cpu'/>
-  <monitor path='/var/lib/libvirt/qemu/domain-7-nest/monitor.sock' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/domain-7-nest/monitor.sock' type='unix'/>
   <namespaces>
     <mount/>
   </namespaces>
diff --git a/tests/qemustatusxml2xmldata/modern-in.xml b/tests/qemustatusxml2xmldata/modern-in.xml
index f7104efa01..2125b899f4 100644
--- a/tests/qemustatusxml2xmldata/modern-in.xml
+++ b/tests/qemustatusxml2xmldata/modern-in.xml
@@ -1,6 +1,6 @@
 <domstatus state='running' reason='booted' pid='195139'>
   <taint flag='high-privileges'/>
-  <monitor path='/var/lib/libvirt/qemu/domain-1-upstream/monitor.sock' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/domain-1-upstream/monitor.sock' type='unix'/>
   <namespaces>
     <mount/>
   </namespaces>
diff --git a/tests/qemustatusxml2xmldata/vcpus-multi-in.xml b/tests/qemustatusxml2xmldata/vcpus-multi-in.xml
index c99046ce8d..b8ec650714 100644
--- a/tests/qemustatusxml2xmldata/vcpus-multi-in.xml
+++ b/tests/qemustatusxml2xmldata/vcpus-multi-in.xml
@@ -1,6 +1,6 @@
 <domstatus state='running' reason='booted' pid='3803518'>
   <taint flag='high-privileges'/>
-  <monitor path='/var/lib/libvirt/qemu/test.monitor' json='1' type='unix'/>
+  <monitor path='/var/lib/libvirt/qemu/test.monitor' type='unix'/>
   <vcpus>
     <vcpu id='0' pid='3803519'/>
     <vcpu id='1' pid='3803520'/>