diff --git a/damusTests/Mocking/MockProfiles.swift b/damusTests/Mocking/MockProfiles.swift
index 591ba2f6..818584a7 100644
--- a/damusTests/Mocking/MockProfiles.swift
+++ b/damusTests/Mocking/MockProfiles.swift
@@ -20,7 +20,7 @@ class MockProfiles: Profiles {
         super.init(ndb: ndb)
     }
 
-    override func lookup(id: Pubkey) -> NdbTxn<Profile?> {
+    override func lookup(id: Pubkey) -> NdbTxn<Profile?>? {
         return NdbTxn(ndb: self.ndb) { txn in
             return self.mocked_profiles[id]
         }
diff --git a/damusTests/ProfileViewTests.swift b/damusTests/ProfileViewTests.swift
index c3205c5b..76f88f05 100644
--- a/damusTests/ProfileViewTests.swift
+++ b/damusTests/ProfileViewTests.swift
@@ -28,19 +28,18 @@ final class ProfileViewTests: XCTestCase {
         let pk5 = Pubkey(hex: "f2aa579bb998627e04a8f553842a09446360c9d708c6141dd119c479f6ab9d29")!
 
         let ndb = Ndb(path: Ndb.db_path)!
-        let txn = NdbTxn(ndb: ndb)
 
         let damus_name = "17ldvg64:nq5mhr77"
-        XCTAssertEqual(followedByString(txn: txn, [pk1], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name)")
-        XCTAssertEqual(followedByString(txn: txn, [pk1, pk2], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name) & 1rppft3m:4qxhsgnj")
-        XCTAssertEqual(followedByString(txn: txn, [pk1, pk2, pk3], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name), 1rppft3m:4qxhsgnj & 1kshyfd2:cq04aze0")
-        XCTAssertEqual(followedByString(txn: txn, [pk1, pk2, pk3, pk4,], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name), 1rppft3m:4qxhsgnj, 1kshyfd2:cq04aze0 & 1 other")
-        XCTAssertEqual(followedByString(txn: txn, [pk1, pk2, pk3, pk4, pk5], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name), 1rppft3m:4qxhsgnj, 1kshyfd2:cq04aze0 & 2 others")
+        XCTAssertEqual(followedByString([pk1], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name)")
+        XCTAssertEqual(followedByString([pk1, pk2], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name) & 1rppft3m:4qxhsgnj")
+        XCTAssertEqual(followedByString([pk1, pk2, pk3], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name), 1rppft3m:4qxhsgnj & 1kshyfd2:cq04aze0")
+        XCTAssertEqual(followedByString([pk1, pk2, pk3, pk4,], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name), 1rppft3m:4qxhsgnj, 1kshyfd2:cq04aze0 & 1 other")
+        XCTAssertEqual(followedByString([pk1, pk2, pk3, pk4, pk5], ndb: ndb, locale: enUsLocale), "Followed by \(damus_name), 1rppft3m:4qxhsgnj, 1kshyfd2:cq04aze0 & 2 others")
 
         let pubkeys = [pk1, pk2, pk3, pk4, pk5, pk1, pk2, pk3, pk4, pk5]
         Bundle.main.localizations.map { Locale(identifier: $0) }.forEach {
             for count in 1...10 {
-                XCTAssertNoThrow(followedByString(txn: txn, pubkeys.prefix(count).map { $0 }, ndb: ndb, locale: $0))
+                XCTAssertNoThrow(followedByString(pubkeys.prefix(count).map { $0 }, ndb: ndb, locale: $0))
             }
         }
     }
diff --git a/nostrdb/Test/NdbTests.swift b/nostrdb/Test/NdbTests.swift
index 0d8b21ae..a7548f8e 100644
--- a/nostrdb/Test/NdbTests.swift
+++ b/nostrdb/Test/NdbTests.swift
@@ -63,7 +63,7 @@ final class NdbTests: XCTestCase {
         do {
             let ndb = Ndb(path: db_dir)!
             let id = NoteId(hex: "d12c17bde3094ad32f4ab862a6cc6f5c289cfe7d5802270bdf34904df585f349")!
-            let txn = NdbTxn(ndb: ndb)
+            guard let txn = NdbTxn(ndb: ndb) else { return XCTAssert(false) }
             let note = ndb.lookup_note_with_txn(id: id, txn: txn)
             XCTAssertNotNil(note)
             guard let note else { return }
@@ -93,7 +93,7 @@ final class NdbTests: XCTestCase {
             let note_ids = ndb.text_search(query: "barked")
             XCTAssertEqual(note_ids.count, 1)
             let expected_note_id = NoteId(hex: "b17a540710fe8495b16bfbaf31c6962c4ba8387f3284a7973ad523988095417e")!
-            let note_id = ndb.lookup_note_by_key(note_ids[0]).map({ n in n?.id }).value
+            let note_id = ndb.lookup_note_by_key(note_ids[0])?.map({ n in n?.id }).value
             XCTAssertEqual(note_id, .some(expected_note_id))
         }
     }
@@ -159,13 +159,13 @@ final class NdbTests: XCTestCase {
     func test_inherited_transactions() throws {
         let ndb = Ndb(path: db_dir)!
         do {
-            let txn1 = NdbTxn(ndb: ndb)
-            
+            guard let txn1 = NdbTxn(ndb: ndb) else { return XCTAssert(false) }
+
             let ntxn = (Thread.current.threadDictionary.value(forKey: "ndb_txn") as? ndb_txn)!
             XCTAssertEqual(txn1.txn.lmdb, ntxn.lmdb)
             XCTAssertEqual(txn1.txn.mdb_txn, ntxn.mdb_txn)
 
-            let txn2 = NdbTxn(ndb: ndb)
+            guard let txn2 = NdbTxn(ndb: ndb) else { return XCTAssert(false) }
 
             XCTAssertEqual(txn1.inherited, false)
             XCTAssertEqual(txn2.inherited, true)