diff --git a/entries/bitwarden.go b/entries/bitwarden.go
index d7e8cb3..24f9f10 100644
--- a/entries/bitwarden.go
+++ b/entries/bitwarden.go
@@ -1,11 +1,11 @@
 package entries
 
-import "time"
-
 const bitwardenLoginItemType = 1
 
-// BitwardenExport represents Bitwarden's plaintext JSON vault export format.
+// BitwardenExport represents Bitwarden's portable plaintext JSON format.
 // MaxWarden does not have folders, so every item is exported at the vault root.
+// Server-owned metadata such as IDs and revision dates is deliberately omitted;
+// Bitwarden creates those values when importing into the destination vault.
 type BitwardenExport struct {
 	Encrypted bool            `json:"encrypted"`
 	Folders   []any           `json:"folders"`
@@ -13,20 +13,12 @@ type BitwardenExport struct {
 }
 
 type BitwardenItem struct {
-	PasswordHistory []any          `json:"passwordHistory"`
-	RevisionDate    string         `json:"revisionDate"`
-	CreationDate    string         `json:"creationDate"`
-	DeletedDate     *string        `json:"deletedDate"`
-	ID              string         `json:"id"`
-	OrganizationID  *string        `json:"organizationId"`
-	FolderID        *string        `json:"folderId"`
-	Type            int            `json:"type"`
-	Reprompt        int            `json:"reprompt"`
-	Name            string         `json:"name"`
-	Notes           string         `json:"notes"`
-	Favorite        bool           `json:"favorite"`
-	Login           BitwardenLogin `json:"login"`
-	CollectionIDs   []string       `json:"collectionIds"`
+	Type     int            `json:"type"`
+	Reprompt int            `json:"reprompt"`
+	Name     string         `json:"name"`
+	Notes    string         `json:"notes"`
+	Favorite bool           `json:"favorite"`
+	Login    BitwardenLogin `json:"login"`
 }
 
 type BitwardenLogin struct {
@@ -51,21 +43,16 @@ func NewBitwardenExport(secrets []Secret) BitwardenExport {
 		}
 
 		items = append(items, BitwardenItem{
-			PasswordHistory: nil,
-			RevisionDate:    bitwardenTime(secret.Modified),
-			CreationDate:    bitwardenTime(secret.Created),
-			ID:              secret.ID,
-			Type:            bitwardenLoginItemType,
-			Reprompt:        0,
-			Name:            secret.Description,
-			Notes:           secret.Notes,
-			Favorite:        false,
+			Type:     bitwardenLoginItemType,
+			Reprompt: 0,
+			Name:     secret.Description,
+			Notes:    secret.Notes,
+			Favorite: false,
 			Login: BitwardenLogin{
 				URIs:     uris,
 				Username: secret.Username,
 				Password: secret.Password,
 			},
-			CollectionIDs: nil,
 		})
 	}
 
@@ -75,11 +62,3 @@ func NewBitwardenExport(secrets []Secret) BitwardenExport {
 		Items:     items,
 	}
 }
-
-func bitwardenTime(value time.Time) string {
-	if value.IsZero() {
-		return ""
-	}
-
-	return value.UTC().Format(time.RFC3339Nano)
-}
diff --git a/entries/bitwarden_test.go b/entries/bitwarden_test.go
index ac97d81..b301e6f 100644
--- a/entries/bitwarden_test.go
+++ b/entries/bitwarden_test.go
@@ -3,13 +3,9 @@ package entries
 import (
 	"encoding/json"
 	"testing"
-	"time"
 )
 
 func TestNewBitwardenExport(t *testing.T) {
-	created := time.Date(2026, time.September, 3, 12, 30, 0, 0, time.FixedZone("EDT", -4*60*60))
-	modified := created.Add(15 * time.Minute)
-
 	export := NewBitwardenExport([]Secret{{
 		ID:          "c381ca2b-0f53-4b05-b209-f2eb11f05e19",
 		Description: "Example",
@@ -17,8 +13,6 @@ func TestNewBitwardenExport(t *testing.T) {
 		Notes:       "A note",
 		Username:    "person@example.com",
 		Password:    "correct horse battery staple",
-		Created:     created,
-		Modified:    modified,
 	}})
 
 	if export.Encrypted {
@@ -44,10 +38,6 @@ func TestNewBitwardenExport(t *testing.T) {
 	if len(item.Login.URIs) != 1 || item.Login.URIs[0].URI != "https://example.com/login" {
 		t.Fatalf("login URI was not mapped: %#v", item.Login.URIs)
 	}
-	if item.CreationDate != "2026-09-03T16:30:00Z" || item.RevisionDate != "2026-09-03T16:45:00Z" {
-		t.Fatalf("timestamps were not normalized to UTC: %#v", item)
-	}
-
 	encoded, err := json.Marshal(export)
 	if err != nil {
 		t.Fatalf("marshal export: %v", err)
@@ -66,16 +56,20 @@ func TestNewBitwardenExport(t *testing.T) {
 	if _, ok := document["items"]; !ok {
 		t.Fatal("export is missing items field")
 	}
+
+	encodedItem := document["items"].([]any)[0].(map[string]any)
+	for _, field := range []string{"id", "organizationId", "folderId", "revisionDate", "creationDate", "deletedDate", "passwordHistory", "collectionIds"} {
+		if _, ok := encodedItem[field]; ok {
+			t.Fatalf("import-only export must not include server-owned field %q", field)
+		}
+	}
 }
 
-func TestNewBitwardenExportWithoutURLOrDates(t *testing.T) {
+func TestNewBitwardenExportWithoutURL(t *testing.T) {
 	export := NewBitwardenExport([]Secret{{Description: "No URL"}})
 	item := export.Items[0]
 
 	if item.Login.URIs == nil || len(item.Login.URIs) != 0 {
 		t.Fatalf("expected an empty URI array, got %#v", item.Login.URIs)
 	}
-	if item.CreationDate != "" || item.RevisionDate != "" {
-		t.Fatalf("zero timestamps should be empty strings: %#v", item)
-	}
 }