diff --git a/heromodels/Cargo.lock b/heromodels/Cargo.lock
index 21e0555..a961675 100644
--- a/heromodels/Cargo.lock
+++ b/heromodels/Cargo.lock
@@ -43,30 +43,12 @@ dependencies = [
  "virtue",
 ]
 
-[[package]]
-name = "bitflags"
-version = "2.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
-
 [[package]]
 name = "bumpalo"
 version = "3.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
-[[package]]
-name = "byteorder"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
-
-[[package]]
-name = "byteview"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6236364b88b9b6d0bc181ba374cf1ab55ba3ef97a1cb6f8cddad48a273767fb5"
-
 [[package]]
 name = "cc"
 version = "1.2.19"
@@ -97,12 +79,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "compare"
-version = "0.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea0095f6103c2a8b44acd6fd15960c801dafebf02e21940360833e0673f48ba7"
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -118,102 +94,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-skiplist"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df29de440c58ca2cc6e587ec3d22347551a32435fbde9d2bff64e78a9ffa151b"
-dependencies = [
- "crossbeam-epoch",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
-
-[[package]]
-name = "dashmap"
-version = "6.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5041cc499144891f3790297212f32a74fb938e5136a14943f338ef9e0ae276cf"
-dependencies = [
- "cfg-if",
- "crossbeam-utils",
- "hashbrown 0.14.5",
- "lock_api",
- "once_cell",
- "parking_lot_core",
-]
-
-[[package]]
-name = "double-ended-peekable"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0d05e1c0dbad51b52c38bda7adceef61b9efc2baf04acfe8726a8c4630a6f57"
-
-[[package]]
-name = "enum_dispatch"
-version = "0.3.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa18ce2bc66555b3218614519ac839ddb759a7d6720732f979ef8d13be147ecd"
-dependencies = [
- "once_cell",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "equivalent"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
-
-[[package]]
-name = "errno"
-version = "0.3.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "976dd42dc7e85965fe702eb8164f21f450704bdde31faefd6471dba214cb594e"
-dependencies = [
- "libc",
- "windows-sys",
-]
-
-[[package]]
-name = "fastrand"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
-
-[[package]]
-name = "fjall"
-version = "2.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "958511f67d1f80e6bff9ffac05c626bb340d4602ca6ea5617d9901c218c894f0"
-dependencies = [
- "byteorder",
- "byteview",
- "dashmap",
- "log",
- "lsm-tree",
- "path-absolutize",
- "std-semaphore",
- "tempfile",
- "xxhash-rust",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -222,46 +102,15 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
-dependencies = [
- "cfg-if",
- "libc",
- "r-efi",
- "wasi 0.14.2+wasi-0.2.4",
-]
-
-[[package]]
-name = "guardian"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17e2ac29387b1aa07a1e448f7bb4f35b500787971e965b02842b900afa5c8f6f"
-
-[[package]]
-name = "hashbrown"
-version = "0.14.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
-
-[[package]]
-name = "hashbrown"
-version = "0.15.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
-
 [[package]]
 name = "heromodels"
 version = "0.1.0"
 dependencies = [
  "bincode",
  "chrono",
- "fjall",
  "heromodels-derive",
  "heromodels_core",
  "ourdb",
@@ -310,15 +159,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "interval-heap"
-version = "0.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11274e5e8e89b8607cfedc2910b6626e998779b48a019151c7604d0adcb86ac6"
-dependencies = [
- "compare",
-]
-
 [[package]]
 name = "js-sys"
 version = "0.3.77"
@@ -335,58 +175,12 @@ version = "0.2.172"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
-
-[[package]]
-name = "lock_api"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
-dependencies = [
- "autocfg",
- "scopeguard",
-]
-
 [[package]]
 name = "log"
 version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
-[[package]]
-name = "lsm-tree"
-version = "2.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87d58bdef2dcbf50fce9f343265bdbd7fb08a458d241eb837ce426be22d674b4"
-dependencies = [
- "byteorder",
- "crossbeam-skiplist",
- "double-ended-peekable",
- "enum_dispatch",
- "guardian",
- "interval-heap",
- "log",
- "lz4_flex",
- "path-absolutize",
- "quick_cache",
- "rustc-hash",
- "self_cell",
- "tempfile",
- "value-log",
- "varint-rs",
- "xxhash-rust",
-]
-
-[[package]]
-name = "lz4_flex"
-version = "0.11.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75761162ae2b0e580d7e7c390558127e5f01b4194debd6221fd8c207fc80e3f5"
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -412,37 +206,6 @@ dependencies = [
  "thiserror",
 ]
 
-[[package]]
-name = "parking_lot_core"
-version = "0.9.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-targets",
-]
-
-[[package]]
-name = "path-absolutize"
-version = "3.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4af381fe79fa195b4909485d99f73a80792331df0625188e707854f0b3383f5"
-dependencies = [
- "path-dedot",
-]
-
-[[package]]
-name = "path-dedot"
-version = "3.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07ba0ad7e047712414213ff67533e6dd477af0a4e1d14fb52343e53d30ea9397"
-dependencies = [
- "once_cell",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -461,16 +224,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "quick_cache"
-version = "0.6.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "287e56aac5a2b4fb25a6fb050961d157635924c8696305a5c937a76f29841a0f"
-dependencies = [
- "equivalent",
- "hashbrown 0.15.2",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.40"
@@ -480,12 +233,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "r-efi"
-version = "5.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
-
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -513,35 +260,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.15",
-]
-
-[[package]]
-name = "redox_syscall"
-version = "0.5.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2f103c6d277498fbceb16e84d317e2a400f160f46904d5f5410848c829511a3"
-dependencies = [
- "bitflags",
-]
-
-[[package]]
-name = "rustc-hash"
-version = "2.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
-
-[[package]]
-name = "rustix"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d97817398dd4bb2e6da002002db259209759911da105da92bec29ccb12cf58bf"
-dependencies = [
- "bitflags",
- "errno",
- "libc",
- "linux-raw-sys",
- "windows-sys",
+ "getrandom",
 ]
 
 [[package]]
@@ -550,18 +269,6 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2"
 
-[[package]]
-name = "scopeguard"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
-
-[[package]]
-name = "self_cell"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f7d95a54511e0c7be3f51e8867aa8cf35148d7b9445d44de2f943e2b206e749"
-
 [[package]]
 name = "serde"
 version = "1.0.219"
@@ -588,18 +295,6 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
-[[package]]
-name = "smallvec"
-version = "1.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8917285742e9f3e1683f0a9c4e6b57960b7314d0b08d30d1ecd426713ee2eee9"
-
-[[package]]
-name = "std-semaphore"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33ae9eec00137a8eed469fb4148acd9fc6ac8c3f9b110f52cd34698c8b5bfa0e"
-
 [[package]]
 name = "syn"
 version = "2.0.100"
@@ -611,19 +306,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "tempfile"
-version = "3.19.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7437ac7763b9b123ccf33c338a5cc1bac6f69b45a136c19bdd8a65e3916435bf"
-dependencies = [
- "fastrand",
- "getrandom 0.3.2",
- "once_cell",
- "rustix",
- "windows-sys",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -664,29 +346,6 @@ version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d49784317cd0d1ee7ec5c716dd598ec5b4483ea832a2dced265471cc0f690ae"
 
-[[package]]
-name = "value-log"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62fc7c4ce161f049607ecea654dca3f2d727da5371ae85e2e4f14ce2b98ed67c"
-dependencies = [
- "byteorder",
- "byteview",
- "interval-heap",
- "log",
- "path-absolutize",
- "rustc-hash",
- "tempfile",
- "varint-rs",
- "xxhash-rust",
-]
-
-[[package]]
-name = "varint-rs"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f54a172d0620933a27a4360d3db3e2ae0dd6cceae9730751a036bbf182c4b23"
-
 [[package]]
 name = "virtue"
 version = "0.0.18"
@@ -699,15 +358,6 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
-[[package]]
-name = "wasi"
-version = "0.14.2+wasi-0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
-dependencies = [
- "wit-bindgen-rt",
-]
-
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.100"
@@ -825,94 +475,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.59.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
-dependencies = [
- "windows-targets",
-]
-
-[[package]]
-name = "windows-targets"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
-dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
-]
-
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
-
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
-
-[[package]]
-name = "windows_i686_gnu"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
-
-[[package]]
-name = "windows_i686_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
-
-[[package]]
-name = "windows_i686_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
-
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
-
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
-
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
-
-[[package]]
-name = "wit-bindgen-rt"
-version = "0.39.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
-dependencies = [
- "bitflags",
-]
-
-[[package]]
-name = "xxhash-rust"
-version = "0.8.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdd20c5420375476fbd4394763288da7eb0cc0b8c11deed431a91562af7335d3"
-
 [[package]]
 name = "zerocopy"
 version = "0.8.24"
diff --git a/heromodels/Cargo.toml b/heromodels/Cargo.toml
index bf1b27b..461e858 100644
--- a/heromodels/Cargo.toml
+++ b/heromodels/Cargo.toml
@@ -9,7 +9,6 @@ authors = ["Your Name <your.email@example.com>"]
 serde = { version = "1.0", features = ["derive"] }
 bincode = { version = "2", features = ["serde"] }
 chrono = { version = "0.4", features = ["serde"] }
-fjall = "2.9.0"
 ourdb = { path = "../ourdb" }
 tst = { path = "../tst" }
 heromodels-derive = { path = "../heromodels-derive" }
diff --git a/heromodels/examples/basic_user_example.rs b/heromodels/examples/basic_user_example.rs
index 3ad2f1d..aa3c8a2 100644
--- a/heromodels/examples/basic_user_example.rs
+++ b/heromodels/examples/basic_user_example.rs
@@ -4,16 +4,8 @@ use heromodels::models::{Comment, User};
 use heromodels_core::Model;
 
 fn main() {
-    let index_db = tst::TST::new("/tmp/ourdb/tst", true).expect("can create index DB");
-    let data_db = ourdb::OurDB::new(ourdb::OurDBConfig {
-        incremental_mode: false,
-        path: "/tmp/ourdb/ourdb".into(),
-        file_size: None,
-        keysize: None,
-        reset: Some(true),
-    })
-    .expect("can create data DB");
-    let db = heromodels::db::hero::OurDB::new(index_db, data_db);
+    // Create a new DB instance in /tmp/ourdb, and reset before every run
+    let db = heromodels::db::hero::OurDB::new("/tmp/ourdb", true).expect("Can create DB");
 
     println!("Hero Models - Basic Usage Example");
     println!("================================");
diff --git a/heromodels/src/db.rs b/heromodels/src/db.rs
index 63ee811..a593793 100644
--- a/heromodels/src/db.rs
+++ b/heromodels/src/db.rs
@@ -3,7 +3,6 @@ use std::borrow::Borrow;
 use heromodels_core::{Index, Model};
 use serde::{Deserialize, Serialize};
 
-pub mod fjall;
 pub mod hero;
 
 pub trait Db {
diff --git a/heromodels/src/db/hero.rs b/heromodels/src/db/hero.rs
index 108389d..3d5d173 100644
--- a/heromodels/src/db/hero.rs
+++ b/heromodels/src/db/hero.rs
@@ -5,6 +5,7 @@ use serde::Deserialize;
 use std::{
     borrow::Borrow,
     collections::HashSet,
+    path::PathBuf,
     sync::{Arc, Mutex},
 };
 
@@ -18,11 +19,24 @@ pub struct OurDB {
 
 impl OurDB {
     /// Create a new instance of ourdb
-    pub fn new(index_db: tst::TST, data_db: ourdb::OurDB) -> Self {
-        Self {
+    pub fn new(path: impl Into<PathBuf>, reset: bool) -> Result<Self, tst::Error> {
+        let mut base_path = path.into();
+        let mut data_path = base_path.clone();
+        base_path.push("index");
+        data_path.push("data");
+
+        let data_db = ourdb::OurDB::new(ourdb::OurDBConfig {
+            incremental_mode: false,
+            path: data_path,
+            file_size: None,
+            keysize: None,
+            reset: Some(reset),
+        })?;
+        let index_db = tst::TST::new(base_path.to_str().expect("Path is valid UTF-8"), reset)?;
+        Ok(OurDB {
             index: Arc::new(Mutex::new(index_db)),
             data: Arc::new(Mutex::new(data_db)),
-        }
+        })
     }
 }