diff --git a/frontend/src/views/omni/Clusters/ClusterItem.vue b/frontend/src/views/omni/Clusters/ClusterItem.vue
index 16bbb999..3ed861fb 100644
--- a/frontend/src/views/omni/Clusters/ClusterItem.vue
+++ b/frontend/src/views/omni/Clusters/ClusterItem.vue
@@ -182,8 +182,8 @@ const { height } = useElementSize(slider)
       :style="{ height: expanded ? `${height}px` : '0' }"
     >
       <ClusterMachines
-        :pause-watches="!expanded"
         ref="slider"
+        :pause-watches="!expanded"
         class="h-min"
         :cluster-i-d="item.metadata.id!"
         is-subgrid
diff --git a/frontend/src/views/omni/InstallationMedia/DownloadPresetModal.vue b/frontend/src/views/omni/InstallationMedia/DownloadPresetModal.vue
index 39bb71a4..70c0e93a 100644
--- a/frontend/src/views/omni/InstallationMedia/DownloadPresetModal.vue
+++ b/frontend/src/views/omni/InstallationMedia/DownloadPresetModal.vue
@@ -123,7 +123,7 @@ async function close() {
       </TableRoot>
 
       <div class="flex gap-1">
-        <p class="flex items-center gap-1.5 text-xs" v-if="imageIsGenerating">
+        <p v-if="imageIsGenerating" class="flex items-center gap-1.5 text-xs">
           <TSpinner class="size-3" />
           <span>Generating image...</span>
         </p>
diff --git a/internal/backend/runtime/omni/export_test.go b/internal/backend/runtime/omni/export_test.go
index 5c01a98f..a85de525 100644
--- a/internal/backend/runtime/omni/export_test.go
+++ b/internal/backend/runtime/omni/export_test.go
@@ -109,3 +109,7 @@ func InfraProviderValidationOptions(st state.State) []validated.StateOption {
 func RotateSecretsValidationOptions(st state.State) []validated.StateOption {
 	return rotateSecretsValidationOptions(st)
 }
+
+func InstallationMediaConfigValidationOptions() []validated.StateOption {
+	return installationMediaConfigValidationOptions()
+}
diff --git a/internal/backend/runtime/omni/omni.go b/internal/backend/runtime/omni/omni.go
index 82121421..c890b3f0 100644
--- a/internal/backend/runtime/omni/omni.go
+++ b/internal/backend/runtime/omni/omni.go
@@ -351,7 +351,7 @@ func NewRuntime(talosClientFactory *talos.ClientFactory, dnsService *dns.Service
 		defaultJoinTokenValidationOptions(defaultState),
 		importedClusterSecretValidationOptions(defaultState, config.Config.Features.GetEnableClusterImport()),
 		infraProviderValidationOptions(defaultState),
-		installationMediaConfigOptions(),
+		installationMediaConfigValidationOptions(),
 		rotateSecretsValidationOptions(defaultState),
 	)
 
diff --git a/internal/backend/runtime/omni/state_validation.go b/internal/backend/runtime/omni/state_validation.go
index eebf1c1e..9a200ecc 100644
--- a/internal/backend/runtime/omni/state_validation.go
+++ b/internal/backend/runtime/omni/state_validation.go
@@ -1554,8 +1554,12 @@ func infraProviderValidationOptions(st state.State) []validated.StateOption {
 	}
 }
 
-func installationMediaConfigOptions() []validated.StateOption {
+func installationMediaConfigValidationOptions() []validated.StateOption {
 	validateInstallationMedia := func(res *omni.InstallationMediaConfig) error {
+		if res.Metadata().Phase() == resource.PhaseTearingDown {
+			return nil
+		}
+
 		if res.TypedSpec().Value.TalosVersion == "" {
 			return errors.New("invalid installation media config: talos version is required")
 		}
diff --git a/internal/backend/runtime/omni/state_validation_test.go b/internal/backend/runtime/omni/state_validation_test.go
index d8e19ab6..d48de7fc 100644
--- a/internal/backend/runtime/omni/state_validation_test.go
+++ b/internal/backend/runtime/omni/state_validation_test.go
@@ -19,6 +19,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/cosi-project/runtime/pkg/resource"
 	"github.com/cosi-project/runtime/pkg/safe"
 	"github.com/cosi-project/runtime/pkg/state"
 	"github.com/cosi-project/runtime/pkg/state/impl/inmem"
@@ -32,6 +33,7 @@ import (
 	"google.golang.org/protobuf/types/known/timestamppb"
 
 	"github.com/siderolabs/omni/client/api/omni/specs"
+	"github.com/siderolabs/omni/client/pkg/constants"
 	"github.com/siderolabs/omni/client/pkg/omni/resources/auth"
 	"github.com/siderolabs/omni/client/pkg/omni/resources/infra"
 	omnires "github.com/siderolabs/omni/client/pkg/omni/resources/omni"
@@ -1975,6 +1977,81 @@ func TestRotateSecretsValidation(t *testing.T) {
 	require.NoError(t, st.Destroy(ctx, rotateTalosCA.Metadata()))
 }
 
+func TestInstallationMediaConfigValidation(t *testing.T) {
+	t.Parallel()
+
+	ctx, cancel := context.WithTimeout(t.Context(), time.Second)
+	t.Cleanup(cancel)
+
+	st := validated.NewState(state.WrapCore(namespaced.NewState(inmem.Build)), omni.InstallationMediaConfigValidationOptions()...)
+
+	installationMediaConfig := omnires.NewInstallationMediaConfig("test")
+
+	err := st.Create(ctx, installationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: talos version is required")
+
+	installationMediaConfig.TypedSpec().Value.TalosVersion = constants.DefaultTalosVersion
+	err = st.Create(ctx, installationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: architecture is required")
+
+	installationMediaConfig.TypedSpec().Value.Architecture = specs.PlatformConfigSpec_AMD64
+	err = st.Create(ctx, installationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: join token is required")
+
+	installationMediaConfig.TypedSpec().Value.JoinToken = "test-token"
+	installationMediaConfig.TypedSpec().Value.Cloud = &specs.InstallationMediaConfigSpec_Cloud{}
+	installationMediaConfig.TypedSpec().Value.Sbc = &specs.InstallationMediaConfigSpec_SBC{}
+
+	err = st.Create(ctx, installationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: both sbc and cloud fields are set")
+
+	installationMediaConfig.TypedSpec().Value.Sbc = nil
+	err = st.Create(ctx, installationMediaConfig)
+	require.NoError(t, err)
+
+	modifiedInstallationMediaConfig, ok := installationMediaConfig.DeepCopy().(*omnires.InstallationMediaConfig)
+	require.True(t, ok)
+
+	modifiedInstallationMediaConfig.TypedSpec().Value.TalosVersion = ""
+	err = st.Update(ctx, modifiedInstallationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: talos version is required")
+
+	modifiedInstallationMediaConfig, ok = installationMediaConfig.DeepCopy().(*omnires.InstallationMediaConfig)
+	require.True(t, ok)
+
+	modifiedInstallationMediaConfig.TypedSpec().Value.Architecture = specs.PlatformConfigSpec_UNKNOWN_ARCH
+	err = st.Update(ctx, modifiedInstallationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: architecture is required")
+
+	modifiedInstallationMediaConfig, ok = installationMediaConfig.DeepCopy().(*omnires.InstallationMediaConfig)
+	require.True(t, ok)
+
+	modifiedInstallationMediaConfig.TypedSpec().Value.JoinToken = ""
+	err = st.Update(ctx, modifiedInstallationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: join token is required")
+
+	modifiedInstallationMediaConfig, ok = installationMediaConfig.DeepCopy().(*omnires.InstallationMediaConfig)
+	require.True(t, ok)
+
+	modifiedInstallationMediaConfig.TypedSpec().Value.Sbc = &specs.InstallationMediaConfigSpec_SBC{}
+	err = st.Update(ctx, modifiedInstallationMediaConfig)
+	require.Contains(t, err.Error(), "invalid installation media config: both sbc and cloud fields are set")
+
+	installationMediaConfig.TypedSpec().Value.Cloud.Platform = "AWS"
+	require.NoError(t, st.Update(ctx, installationMediaConfig))
+
+	installationMediaConfig.Metadata().SetPhase(resource.PhaseTearingDown)
+	installationMediaConfig.TypedSpec().Value.TalosVersion = ""
+	installationMediaConfig.TypedSpec().Value.Architecture = specs.PlatformConfigSpec_UNKNOWN_ARCH
+	installationMediaConfig.TypedSpec().Value.JoinToken = ""
+	installationMediaConfig.TypedSpec().Value.Cloud = &specs.InstallationMediaConfigSpec_Cloud{}
+	installationMediaConfig.TypedSpec().Value.Sbc = &specs.InstallationMediaConfigSpec_SBC{}
+	require.NoError(t, st.Update(ctx, installationMediaConfig))
+
+	err = st.Destroy(ctx, installationMediaConfig.Metadata())
+	require.NoError(t, err)
+}
+
 type mockEtcdBackupStoreFactory struct {
 	store etcdbackup.Store
 }