diff --git a/client/image.go b/client/image.go
index 7184a3c46..9974dfb1d 100644
--- a/client/image.go
+++ b/client/image.go
@@ -28,8 +28,8 @@ import (
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/images/usage"
 	"github.com/containerd/containerd/v2/core/snapshots"
+	"github.com/containerd/containerd/v2/internal/kmutex"
 	"github.com/containerd/containerd/v2/pkg/errdefs"
-	"github.com/containerd/containerd/v2/pkg/kmutex"
 	"github.com/containerd/containerd/v2/pkg/labels"
 	"github.com/containerd/containerd/v2/pkg/rootfs"
 	"github.com/containerd/containerd/v2/platforms"
diff --git a/pkg/kmutex/kmutex.go b/internal/kmutex/kmutex.go
similarity index 100%
rename from pkg/kmutex/kmutex.go
rename to internal/kmutex/kmutex.go
diff --git a/pkg/kmutex/kmutex_test.go b/internal/kmutex/kmutex_test.go
similarity index 100%
rename from pkg/kmutex/kmutex_test.go
rename to internal/kmutex/kmutex_test.go
diff --git a/pkg/kmutex/noop.go b/internal/kmutex/noop.go
similarity index 100%
rename from pkg/kmutex/noop.go
rename to internal/kmutex/noop.go
diff --git a/pkg/cri/server/images/service.go b/pkg/cri/server/images/service.go
index 6636a2c07..8c2f8a35d 100644
--- a/pkg/cri/server/images/service.go
+++ b/pkg/cri/server/images/service.go
@@ -24,11 +24,11 @@ import (
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/snapshots"
+	"github.com/containerd/containerd/v2/internal/kmutex"
 	criconfig "github.com/containerd/containerd/v2/pkg/cri/config"
 	imagestore "github.com/containerd/containerd/v2/pkg/cri/store/image"
 	snapshotstore "github.com/containerd/containerd/v2/pkg/cri/store/snapshot"
 	"github.com/containerd/containerd/v2/pkg/events"
-	"github.com/containerd/containerd/v2/pkg/kmutex"
 	"github.com/containerd/containerd/v2/platforms"
 	"github.com/containerd/log"
 	docker "github.com/distribution/reference"
diff --git a/pkg/transfer/local/transfer.go b/pkg/transfer/local/transfer.go
index 7ceb40dd8..43d7a6f95 100644
--- a/pkg/transfer/local/transfer.go
+++ b/pkg/transfer/local/transfer.go
@@ -28,9 +28,9 @@ import (
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/leases"
+	"github.com/containerd/containerd/v2/internal/kmutex"
 	"github.com/containerd/containerd/v2/pkg/errdefs"
 	"github.com/containerd/containerd/v2/pkg/imageverifier"
-	"github.com/containerd/containerd/v2/pkg/kmutex"
 	"github.com/containerd/containerd/v2/pkg/transfer"
 	"github.com/containerd/containerd/v2/pkg/unpack"
 )
diff --git a/pkg/unpack/unpacker.go b/pkg/unpack/unpacker.go
index e1954fd0c..ea41629bf 100644
--- a/pkg/unpack/unpacker.go
+++ b/pkg/unpack/unpacker.go
@@ -34,8 +34,8 @@ import (
 	"github.com/containerd/containerd/v2/core/mount"
 	"github.com/containerd/containerd/v2/core/snapshots"
 	"github.com/containerd/containerd/v2/internal/cleanup"
+	"github.com/containerd/containerd/v2/internal/kmutex"
 	"github.com/containerd/containerd/v2/pkg/errdefs"
-	"github.com/containerd/containerd/v2/pkg/kmutex"
 	"github.com/containerd/containerd/v2/pkg/labels"
 	"github.com/containerd/containerd/v2/pkg/tracing"
 	"github.com/containerd/containerd/v2/platforms"