diff --git a/build/bazel/go.MODULE.bazel b/build/bazel/go.MODULE.bazel
index c3ccadc..7cbe759 100644
--- a/build/bazel/go.MODULE.bazel
+++ b/build/bazel/go.MODULE.bazel
@@ -94,7 +94,6 @@
     "org_golang_google_grpc",
     "org_golang_google_protobuf",
     "org_golang_x_crypto",
-    "org_golang_x_mod",
     "org_golang_x_net",
     "org_golang_x_sync",
     "org_golang_x_sys",
diff --git a/go.mod b/go.mod
index 7ec7f08..c9f0a4c 100644
--- a/go.mod
+++ b/go.mod
@@ -136,7 +136,6 @@
 	go.uber.org/multierr v1.11.0
 	go.uber.org/zap v1.26.0
 	golang.org/x/crypto v0.24.0
-	golang.org/x/mod v0.21.0
 	golang.org/x/net v0.26.0
 	golang.org/x/sync v0.8.0
 	golang.org/x/sys v0.25.0
@@ -415,6 +414,7 @@
 	golang.org/x/arch v0.3.0 // indirect
 	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f // indirect
 	golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 // indirect
+	golang.org/x/mod v0.21.0 // indirect
 	golang.org/x/oauth2 v0.21.0 // indirect
 	golang.org/x/term v0.22.0
 	golang.zx2c4.com/wireguard v0.0.0-20220202223031-3b95c81cc178 // indirect
diff --git a/osbase/fat32/BUILD.bazel b/osbase/fat32/BUILD.bazel
index 80a6e03..e329179 100644
--- a/osbase/fat32/BUILD.bazel
+++ b/osbase/fat32/BUILD.bazel
@@ -31,7 +31,6 @@
         "@com_github_stretchr_testify//assert",
         "@com_github_stretchr_testify//require",
         "@io_bazel_rules_go//go/runfiles:go_default_library",
-        "@org_golang_x_mod//semver",
         "@org_golang_x_sys//unix",
     ],
 )
diff --git a/osbase/fat32/fat32.go b/osbase/fat32/fat32.go
index 65f03e5..c8d4ec9 100644
--- a/osbase/fat32/fat32.go
+++ b/osbase/fat32/fat32.go
@@ -161,9 +161,13 @@
 		selfSize = 0 // Directories don't have an explicit size
 	}
 	date, t, _ := timeToMsDosTime(i.ModTime)
+	cdate, ctime, ctens := timeToMsDosTime(i.CreateTime)
 	if err := binary.Write(w, binary.LittleEndian, &dirEntry{
 		DOSName:           i.dosName,
 		Attributes:        uint8(i.Attrs),
+		CreationTenMilli:  ctens,
+		CreationTime:      ctime,
+		CreationDate:      cdate,
 		FirstClusterHigh:  uint16(i.startCluster >> 16),
 		LastWrittenToTime: t,
 		LastWrittenToDate: date,
@@ -212,6 +216,9 @@
 			// Time is intentionally taken from this directory, not the parent
 			if err := binary.Write(w, binary.LittleEndian, &dirEntry{
 				DOSName:           [11]byte{'.', '.', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '},
+				CreationDate:      cdate,
+				CreationTime:      ctime,
+				CreationTenMilli:  ctens,
 				LastWrittenToTime: t,
 				LastWrittenToDate: date,
 				Attributes:        uint8(AttrDirectory),
diff --git a/osbase/fat32/linux_test.go b/osbase/fat32/linux_test.go
index ca62b76..2237f38 100644
--- a/osbase/fat32/linux_test.go
+++ b/osbase/fat32/linux_test.go
@@ -12,7 +12,6 @@
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"golang.org/x/mod/semver"
 	"golang.org/x/sys/unix"
 )
 
@@ -21,14 +20,6 @@
 		t.Skip("Not in ktest")
 	}
 
-	// ONCHANGE(//third_party/linux): Drop this once we move to a Kernel version
-	// newer than 5.19 which will have FAT btime support.
-	kernelVersion, err := os.ReadFile("/proc/sys/kernel/osrelease")
-	if err != nil {
-		t.Fatalf("unable to determine kernel version: %v", err)
-	}
-	haveBtime := semver.Compare("v"+string(kernelVersion), "v5.19.0") >= 0
-
 	type testCase struct {
 		name     string
 		setup    func(root *Inode) error
@@ -36,11 +27,11 @@
 	}
 
 	// Random timestamp in UTC, divisible by 10ms
-	testTimestamp1 := time.Date(2022, 03, 04, 5, 6, 7, 10, time.UTC)
+	testTimestamp1 := time.Date(2022, 03, 04, 5, 6, 7, 10_000_000, time.UTC)
 	// Random timestamp in UTC, divisible by 2s
 	testTimestamp2 := time.Date(2022, 03, 04, 5, 6, 8, 0, time.UTC)
 	// Random timestamp in UTC, divisible by 10ms
-	testTimestamp3 := time.Date(2052, 03, 02, 5, 6, 7, 10, time.UTC)
+	testTimestamp3 := time.Date(2052, 03, 02, 5, 6, 7, 10_000_000, time.UTC)
 	// Random timestamp in UTC, divisible by 2s
 	testTimestamp4 := time.Date(2052, 10, 04, 5, 3, 4, 0, time.UTC)
 
@@ -75,7 +66,7 @@
 					t.Errorf("testdir is expected to be a directory, but has mode %v", stat.Mode)
 				}
 				btime := time.Unix(stat.Btime.Sec, int64(stat.Btime.Nsec))
-				if !btime.Equal(testTimestamp1) && haveBtime {
+				if !btime.Equal(testTimestamp1) {
 					t.Errorf("testdir btime expected %v, got %v", testTimestamp1, btime)
 				}
 				mtime := time.Unix(stat.Mtime.Sec, int64(stat.Mtime.Nsec))
@@ -105,7 +96,7 @@
 					t.Errorf("testfile is expected to be a file, but has mode %v", stat.Mode)
 				}
 				btime := time.Unix(stat.Btime.Sec, int64(stat.Btime.Nsec))
-				if !btime.Equal(testTimestamp3) && haveBtime {
+				if !btime.Equal(testTimestamp3) {
 					t.Errorf("testfile ctime expected %v, got %v", testTimestamp3, btime)
 				}
 				mtime := time.Unix(stat.Mtime.Sec, int64(stat.Mtime.Nsec))