diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c
index 0e32f521e85b2991bf912e1b206e8a8e234eb424..466c0c61721610b235626455ce43326e49122a03 100644
--- a/src/conf/domain_capabilities.c
+++ b/src/conf/domain_capabilities.c
@@ -187,9 +187,9 @@ virDomainCapsStringValuesFormat(virBufferPtr buf,
 #define FORMAT_PROLOGUE(item)                                       \
     do {                                                            \
         virBufferAsprintf(buf, "<" #item " supported='%s'%s\n",     \
-                          item->device.supported ? "yes" : "no",    \
-                          item->device.supported ? ">" : "/>");     \
-        if (!item->device.supported)                                \
+                          item->supported ? "yes" : "no",           \
+                          item->supported ? ">" : "/>");            \
+        if (!item->supported)                                       \
             return;                                                 \
         virBufferAdjustIndent(buf, 2);                              \
     } while (0)
diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h
index 597ac7593464177d35548a8a78691a560d2dd420..3eacb357f0ebb9cbabd4b044c6230fab746be741 100644
--- a/src/conf/domain_capabilities.h
+++ b/src/conf/domain_capabilities.h
@@ -44,16 +44,10 @@ struct _virDomainCapsStringValues {
     size_t nvalues; /* number of strings */
 };
 
-typedef struct _virDomainCapsDevice virDomainCapsDevice;
-typedef virDomainCapsDevice *virDomainCapsDevicePtr;
-struct _virDomainCapsDevice {
-    bool supported; /* true if <devtype> is supported by hypervisor */
-};
-
 typedef struct _virDomainCapsLoader virDomainCapsLoader;
 typedef virDomainCapsLoader *virDomainCapsLoaderPtr;
 struct _virDomainCapsLoader {
-    virDomainCapsDevice device;
+    bool supported;
     virDomainCapsStringValues values;   /* Info about values for the element */
     virDomainCapsEnum type;     /* Info about virDomainLoader */
     virDomainCapsEnum readonly; /* Info about readonly:virTristateBool */
@@ -62,14 +56,14 @@ struct _virDomainCapsLoader {
 typedef struct _virDomainCapsOS virDomainCapsOS;
 typedef virDomainCapsOS *virDomainCapsOSPtr;
 struct _virDomainCapsOS {
-    virDomainCapsDevice device;
+    bool supported;
     virDomainCapsLoader loader;     /* Info about virDomainLoaderDef */
 };
 
 typedef struct _virDomainCapsDeviceDisk virDomainCapsDeviceDisk;
 typedef virDomainCapsDeviceDisk *virDomainCapsDeviceDiskPtr;
 struct _virDomainCapsDeviceDisk {
-    virDomainCapsDevice device;
+    bool supported;
     virDomainCapsEnum diskDevice;   /* Info about virDomainDiskDevice enum values */
     virDomainCapsEnum bus;          /* Info about virDomainDiskBus enum values */
     /* add new fields here */
@@ -78,7 +72,7 @@ struct _virDomainCapsDeviceDisk {
 typedef struct _virDomainCapsDeviceHostdev virDomainCapsDeviceHostdev;
 typedef virDomainCapsDeviceHostdev *virDomainCapsDeviceHostdevPtr;
 struct _virDomainCapsDeviceHostdev {
-    virDomainCapsDevice device;
+    bool supported;
     virDomainCapsEnum mode;             /* Info about virDomainHostdevMode */
     virDomainCapsEnum startupPolicy;    /* Info about virDomainStartupPolicy */
     virDomainCapsEnum subsysType;       /* Info about virDomainHostdevSubsysType */
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index f46dcad8cd1163eb2919fa1977b4b0c1e5de9b12..9ae7b27534c7eb7cd42d339ea4fb06ea2f3faff1 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -3908,7 +3908,7 @@ virQEMUCapsFillDomainLoaderCaps(virQEMUCapsPtr qemuCaps,
 {
     size_t i;
 
-    capsLoader->device.supported = true;
+    capsLoader->supported = true;
 
     if (VIR_ALLOC_N(capsLoader->values.values, nloader) < 0)
         return -1;
@@ -3950,7 +3950,7 @@ virQEMUCapsFillDomainOSCaps(virQEMUCapsPtr qemuCaps,
 {
     virDomainCapsLoaderPtr capsLoader = &os->loader;
 
-    os->device.supported = true;
+    os->supported = true;
     if (virQEMUCapsFillDomainLoaderCaps(qemuCaps, capsLoader,
                                         loader, nloader) < 0)
         return -1;
@@ -3963,7 +3963,7 @@ virQEMUCapsFillDomainDeviceDiskCaps(virQEMUCapsPtr qemuCaps,
                                     const char *machine,
                                     virDomainCapsDeviceDiskPtr disk)
 {
-    disk->device.supported = true;
+    disk->supported = true;
     /* QEMU supports all of these */
     VIR_DOMAIN_CAPS_ENUM_SET(disk->diskDevice,
                              VIR_DOMAIN_DISK_DEVICE_DISK,
@@ -3999,7 +3999,7 @@ virQEMUCapsFillDomainDeviceHostdevCaps(virQEMUCapsPtr qemuCaps,
     bool supportsPassthroughKVM = qemuHostdevHostSupportsPassthroughLegacy();
     bool supportsPassthroughVFIO = qemuHostdevHostSupportsPassthroughVFIO();
 
-    hostdev->device.supported = true;
+    hostdev->supported = true;
     /* VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES is for containers only */
     VIR_DOMAIN_CAPS_ENUM_SET(hostdev->mode,
                              VIR_DOMAIN_HOSTDEV_MODE_SUBSYS);
diff --git a/tests/domaincapstest.c b/tests/domaincapstest.c
index ecefdb9bd277146070e3fab7fb1302d43c2d95a7..b6f6ac87f5c2c03267068c0241ee1723646017bb 100644
--- a/tests/domaincapstest.c
+++ b/tests/domaincapstest.c
@@ -65,9 +65,9 @@ fillAll(virDomainCapsPtr domCaps,
     virDomainCapsDeviceHostdevPtr hostdev = &domCaps->hostdev;
     domCaps->maxvcpus = 255;
 
-    os->device.supported = true;
+    os->supported = true;
 
-    loader->device.supported = true;
+    loader->supported = true;
     SET_ALL_BITS(loader->type);
     SET_ALL_BITS(loader->readonly);
     if (fillStringValues(&loader->values,
@@ -76,11 +76,11 @@ fillAll(virDomainCapsPtr domCaps,
                          NULL) < 0)
         return -1;
 
-    disk->device.supported = true;
+    disk->supported = true;
     SET_ALL_BITS(disk->diskDevice);
     SET_ALL_BITS(disk->bus);
 
-    hostdev->device.supported = true;
+    hostdev->supported = true;
     SET_ALL_BITS(hostdev->mode);
     SET_ALL_BITS(hostdev->startupPolicy);
     SET_ALL_BITS(hostdev->subsysType);