diff --git a/src/bhyve/bhyve_domain.c b/src/bhyve/bhyve_domain.c
index a321be54f4..c8d33b4e00 100644
--- a/src/bhyve/bhyve_domain.c
+++ b/src/bhyve/bhyve_domain.c
@@ -75,7 +75,6 @@ bhyveDomainDefNeedsISAController(virDomainDefPtr def)
 
 static int
 bhyveDomainDefPostParse(virDomainDefPtr def,
-                        virCapsPtr _caps G_GNUC_UNUSED,
                         unsigned int parseFlags G_GNUC_UNUSED,
                         void *opaque,
                         void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 7512d407d9..fd38f0b798 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5857,7 +5857,7 @@ virDomainDefPostParse(virDomainDefPtr def,
 
     /* call the domain config callback */
     if (xmlopt->config.domainPostParseCallback) {
-        ret = xmlopt->config.domainPostParseCallback(def, caps, parseFlags,
+        ret = xmlopt->config.domainPostParseCallback(def, parseFlags,
                                                      xmlopt->config.priv,
                                                      data.parseOpaque);
         if (virDomainDefPostParseCheckFailure(def, parseFlags, ret) < 0)
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 6eb16760be..2903ebe9ba 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2638,7 +2638,6 @@ typedef int (*virDomainDefPostParseBasicCallback)(virDomainDefPtr def,
  * value and the failure is noted in def->postParseFailed. Drivers should then
  * re-run the post parse callback when attempting to use such definition. */
 typedef int (*virDomainDefPostParseCallback)(virDomainDefPtr def,
-                                             virCapsPtr caps,
                                              unsigned int parseFlags,
                                              void *opaque,
                                              void *parseOpaque);
diff --git a/src/libxl/libxl_domain.c b/src/libxl/libxl_domain.c
index dfac04bf59..2524d17eb4 100644
--- a/src/libxl/libxl_domain.c
+++ b/src/libxl/libxl_domain.c
@@ -367,7 +367,6 @@ libxlDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
 
 static int
 libxlDomainDefPostParse(virDomainDefPtr def,
-                        virCapsPtr caps G_GNUC_UNUSED,
                         unsigned int parseFlags G_GNUC_UNUSED,
                         void *opaque,
                         void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/lxc/lxc_domain.c b/src/lxc/lxc_domain.c
index bc54beeadf..8b27bc95af 100644
--- a/src/lxc/lxc_domain.c
+++ b/src/lxc/lxc_domain.c
@@ -351,7 +351,6 @@ virDomainXMLPrivateDataCallbacks virLXCDriverPrivateDataCallbacks = {
 
 static int
 virLXCDomainDefPostParse(virDomainDefPtr def,
-                         virCapsPtr _caps G_GNUC_UNUSED,
                          unsigned int parseFlags G_GNUC_UNUSED,
                          void *opaque,
                          void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/openvz/openvz_conf.c b/src/openvz/openvz_conf.c
index 5060e704a5..5057f9652e 100644
--- a/src/openvz/openvz_conf.c
+++ b/src/openvz/openvz_conf.c
@@ -1082,7 +1082,6 @@ int openvzGetVEID(const char *name)
 
 static int
 openvzDomainDefPostParse(virDomainDefPtr def,
-                         virCapsPtr caps G_GNUC_UNUSED,
                          unsigned int parseFlags G_GNUC_UNUSED,
                          void *opaque,
                          void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
index 05860b7dbe..3c809378c3 100644
--- a/src/phyp/phyp_driver.c
+++ b/src/phyp/phyp_driver.c
@@ -1062,7 +1062,6 @@ openSSHSession(virConnectPtr conn, virConnectAuthPtr auth,
 
 static int
 phypDomainDefPostParse(virDomainDefPtr def,
-                       virCapsPtr caps G_GNUC_UNUSED,
                        unsigned int parseFlags G_GNUC_UNUSED,
                        void *opaque,
                        void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 5fa9409a3f..9c013a21ae 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4694,7 +4694,6 @@ qemuDomainDefPostParseBasic(virDomainDefPtr def,
 
 static int
 qemuDomainDefPostParse(virDomainDefPtr def,
-                       virCapsPtr caps G_GNUC_UNUSED,
                        unsigned int parseFlags,
                        void *opaque,
                        void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/vmware/vmware_driver.c b/src/vmware/vmware_driver.c
index 308a941f8a..301f43d9e8 100644
--- a/src/vmware/vmware_driver.c
+++ b/src/vmware/vmware_driver.c
@@ -117,7 +117,6 @@ vmwareDataFreeFunc(void *data)
 
 static int
 vmwareDomainDefPostParse(virDomainDefPtr def,
-                         virCapsPtr caps G_GNUC_UNUSED,
                          unsigned int parseFlags G_GNUC_UNUSED,
                          void *opaque G_GNUC_UNUSED,
                          void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c
index 958b168891..3f8324ce89 100644
--- a/src/vmx/vmx.c
+++ b/src/vmx/vmx.c
@@ -530,7 +530,6 @@ VIR_ENUM_IMPL(virVMXControllerModelSCSI,
 
 static int
 virVMXDomainDefPostParse(virDomainDefPtr def,
-                         virCapsPtr _caps G_GNUC_UNUSED,
                          unsigned int parseFlags G_GNUC_UNUSED,
                          void *opaque,
                          void *parseOpaque G_GNUC_UNUSED)
diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c
index a0d1efb9dd..f54bdd49db 100644
--- a/src/vz/vz_driver.c
+++ b/src/vz/vz_driver.c
@@ -241,7 +241,6 @@ vzDomainDefAddDefaultInputDevices(virDomainDefPtr def)
 
 static int
 vzDomainDefPostParse(virDomainDefPtr def,
-                     virCapsPtr caps G_GNUC_UNUSED,
                      unsigned int parseFlags G_GNUC_UNUSED,
                      void *opaque,
                      void *parseOpaque G_GNUC_UNUSED)