diff --git a/src/wallet/sqlite.cpp b/src/wallet/sqlite.cpp
--- a/src/wallet/sqlite.cpp
+++ b/src/wallet/sqlite.cpp
@@ -196,7 +196,15 @@
     return false;
 }
 
-void SQLiteDatabase::Close() {}
+void SQLiteDatabase::Close() {
+    int res = sqlite3_close(m_db);
+    if (res != SQLITE_OK) {
+        throw std::runtime_error(
+            strprintf("SQLiteDatabase: Failed to close database: %s\n",
+                      sqlite3_errstr(res)));
+    }
+    m_db = nullptr;
+}
 
 std::unique_ptr<DatabaseBatch> SQLiteDatabase::MakeBatch(bool flush_on_close) {
     return nullptr;