diff --git a/Cargo.toml b/Cargo.toml
index 54eaaa3b1..f29445e5e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ members = [
     "halo2_frontend",
     "halo2_middleware",
     "halo2_backend",
-    "halo2_test_utils",
+    "halo2_debug",
     "p3_frontend"
 ]
 resolver = "2"
diff --git a/halo2_backend/Cargo.toml b/halo2_backend/Cargo.toml
index d40fc1d9e..7f9982756 100644
--- a/halo2_backend/Cargo.toml
+++ b/halo2_backend/Cargo.toml
@@ -46,7 +46,7 @@ gumdrop = "0.8"
 proptest = "1"
 rand_core = { version = "0.6", default-features = false, features = ["getrandom"] }
 serde_json = "1"
-halo2_test_utils = { path = "../halo2_test_utils" }
+halo2_debug = { path = "../halo2_debug" }
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dev-dependencies]
 getrandom = { version = "0.2", features = ["js"] }
diff --git a/halo2_backend/src/arithmetic.rs b/halo2_backend/src/arithmetic.rs
index f2c5034f4..5e7a38450 100644
--- a/halo2_backend/src/arithmetic.rs
+++ b/halo2_backend/src/arithmetic.rs
@@ -259,7 +259,7 @@ use halo2curves::pasta::Fp;
 
 #[test]
 fn test_lagrange_interpolate() {
-    use halo2_test_utils::test_rng;
+    use halo2_debug::test_rng;
     let rng = test_rng();
 
     let points = (0..5).map(|_| Fp::random(rng)).collect::<Vec<_>>();
diff --git a/halo2_backend/src/poly/domain.rs b/halo2_backend/src/poly/domain.rs
index ba3b5bd4f..1da8a0360 100644
--- a/halo2_backend/src/poly/domain.rs
+++ b/halo2_backend/src/poly/domain.rs
@@ -478,7 +478,7 @@ pub struct PinnedEvaluationDomain<'a, F: Field> {
 #[test]
 fn test_rotate() {
     use crate::arithmetic::eval_polynomial;
-    use halo2_test_utils::test_rng;
+    use halo2_debug::test_rng;
     use halo2curves::pasta::pallas::Scalar;
 
     let domain = EvaluationDomain::<Scalar>::new(1, 3);
@@ -518,7 +518,7 @@ fn test_rotate() {
 #[test]
 fn test_l_i() {
     use crate::arithmetic::{eval_polynomial, lagrange_interpolate};
-    use halo2_test_utils::test_rng;
+    use halo2_debug::test_rng;
     use halo2curves::pasta::pallas::Scalar;
     let domain = EvaluationDomain::<Scalar>::new(1, 3);
 
diff --git a/halo2_backend/src/poly/ipa/commitment.rs b/halo2_backend/src/poly/ipa/commitment.rs
index 80a9c4a7b..05940b106 100644
--- a/halo2_backend/src/poly/ipa/commitment.rs
+++ b/halo2_backend/src/poly/ipa/commitment.rs
@@ -241,9 +241,9 @@ mod test {
     use crate::poly::ipa::msm::MSMIPA;
 
     use group::Curve;
+    use halo2_debug::test_rng;
     use halo2_middleware::ff::Field;
     use halo2_middleware::zal::impls::H2cEngine;
-    use halo2_test_utils::test_rng;
 
     #[test]
     fn test_commit_lagrange_epaffine() {
diff --git a/halo2_backend/src/poly/ipa/msm.rs b/halo2_backend/src/poly/ipa/msm.rs
index 77d4aa398..17e97151c 100644
--- a/halo2_backend/src/poly/ipa/msm.rs
+++ b/halo2_backend/src/poly/ipa/msm.rs
@@ -222,8 +222,8 @@ mod tests {
         commitment::{ParamsProver, MSM},
         ipa::{commitment::ParamsIPA, msm::MSMIPA},
     };
+    use halo2_debug::test_rng;
     use halo2_middleware::zal::impls::H2cEngine;
-    use halo2_test_utils::test_rng;
     use halo2curves::{
         pasta::{Ep, EpAffine, Fp, Fq},
         CurveAffine,
diff --git a/halo2_backend/src/poly/kzg/commitment.rs b/halo2_backend/src/poly/kzg/commitment.rs
index 1236d5ac1..324a38050 100644
--- a/halo2_backend/src/poly/kzg/commitment.rs
+++ b/halo2_backend/src/poly/kzg/commitment.rs
@@ -453,9 +453,9 @@ mod test {
     use crate::poly::commitment::ParamsProver;
     use crate::poly::commitment::{Blind, Params};
     use crate::poly::kzg::commitment::ParamsKZG;
+    use halo2_debug::test_rng;
     use halo2_middleware::ff::Field;
     use halo2_middleware::zal::impls::H2cEngine;
-    use halo2_test_utils::test_rng;
 
     #[test]
     fn test_commit_lagrange() {
diff --git a/halo2_backend/src/poly/multiopen_test.rs b/halo2_backend/src/poly/multiopen_test.rs
index adeec9663..58eff2702 100644
--- a/halo2_backend/src/poly/multiopen_test.rs
+++ b/halo2_backend/src/poly/multiopen_test.rs
@@ -15,9 +15,9 @@ mod test {
         TranscriptReadBuffer, TranscriptWriterBuffer,
     };
     use group::Curve;
+    use halo2_debug::test_rng;
     use halo2_middleware::ff::WithSmallOrderMulGroup;
     use halo2_middleware::zal::{impls::H2cEngine, traits::MsmAccel};
-    use halo2_test_utils::test_rng;
 
     #[test]
     fn test_roundtrip_ipa() {
diff --git a/halo2_test_utils/Cargo.toml b/halo2_debug/Cargo.toml
similarity index 63%
rename from halo2_test_utils/Cargo.toml
rename to halo2_debug/Cargo.toml
index ac800ee7d..9e71ffdcc 100644
--- a/halo2_test_utils/Cargo.toml
+++ b/halo2_debug/Cargo.toml
@@ -1,25 +1,25 @@
 [package]
-name = "halo2_test_utils"
+name = "halo2_debug"
 version = "0.3.0"
 authors = [
-    "Sean Bowe <sean@electriccoin.co>",
-    "Ying Tong Lai <yingtong@electriccoin.co>",
-    "Daira Hopwood <daira@electriccoin.co>",
-    "Jack Grigg <jack@electriccoin.co>",
     "Privacy Scaling Explorations team",
 ]
 edition = "2021"
 rust-version = "1.66.0"
 description = """
-Fast PLONK-based zero-knowledge proving system with no trusted setup
+Halo2 Debug.  This package contains utilities for debugging and testing within
+the halo2 ecosystem.
 """
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/privacy-scaling-explorations/halo2"
 documentation = "https://privacy-scaling-explorations.github.io/halo2/"
-readme = "README.md"
 categories = ["cryptography"]
 keywords = ["halo", "proofs", "zkp", "zkSNARKs"]
 
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs", "--html-in-header", "katex-header.html"]
+
 [dependencies]
 tiny-keccak = { version = "2.0.2", features=["keccak"] }
 hex = "0.4.3"
diff --git a/halo2_test_utils/src/lib.rs b/halo2_debug/src/lib.rs
similarity index 100%
rename from halo2_test_utils/src/lib.rs
rename to halo2_debug/src/lib.rs
diff --git a/halo2_frontend/Cargo.toml b/halo2_frontend/Cargo.toml
index 3714c7dca..b5fc50ad0 100644
--- a/halo2_frontend/Cargo.toml
+++ b/halo2_frontend/Cargo.toml
@@ -60,7 +60,6 @@ bits = ["halo2curves/bits"]
 gadget-traces = ["backtrace"]
 thread-safe-region = []
 circuit-params = []
-heap-profiling = []
 cost-estimator = ["serde", "serde_derive"]
 derive_serde = ["halo2curves/derive_serde"]
 
diff --git a/halo2_proofs/Cargo.toml b/halo2_proofs/Cargo.toml
index c55eff45d..e7b20e012 100644
--- a/halo2_proofs/Cargo.toml
+++ b/halo2_proofs/Cargo.toml
@@ -44,7 +44,7 @@ harness = false
 halo2_middleware = { path = "../halo2_middleware" }
 halo2_backend = { path = "../halo2_backend" }
 halo2_frontend = { path = "../halo2_frontend" }
-halo2_test_utils = { path = "../halo2_test_utils" }
+halo2_debug = { path = "../halo2_debug" }
 halo2curves = { version = "0.6.1", default-features = false }
 rand_core = { version = "0.6", default-features = false, features = ["getrandom"] }
 plotters = { version = "0.3.0", default-features = false, optional = true }
@@ -60,7 +60,6 @@ assert_matches = "1.5"
 criterion = "0.3"
 gumdrop = "0.8"
 proptest = "1"
-dhat = "0.3.2"
 serde_json = "1"
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dev-dependencies]
@@ -82,7 +81,6 @@ thread-safe-region = ["halo2_frontend/thread-safe-region"]
 sanity-checks = ["halo2_backend/sanity-checks"]
 batch = ["rand_core/getrandom", "halo2_backend/batch"]
 circuit-params = ["halo2_frontend/circuit-params"]
-heap-profiling = ["halo2_frontend/heap-profiling"]
 cost-estimator = ["halo2_frontend/cost-estimator"]
 derive_serde = ["halo2curves/derive_serde", "halo2_frontend/derive_serde", "halo2_backend/derive_serde"]
 
diff --git a/halo2_proofs/benches/plonk.rs b/halo2_proofs/benches/plonk.rs
index 2193ff91c..919766b97 100644
--- a/halo2_proofs/benches/plonk.rs
+++ b/halo2_proofs/benches/plonk.rs
@@ -2,11 +2,11 @@
 extern crate criterion;
 
 use group::ff::Field;
+use halo2_debug::test_rng;
 use halo2_proofs::circuit::{Cell, Layouter, SimpleFloorPlanner, Value};
 use halo2_proofs::plonk::*;
 use halo2_proofs::poly::{commitment::ParamsProver, Rotation};
 use halo2_proofs::transcript::{Blake2bRead, Blake2bWrite, Challenge255};
-use halo2_test_utils::test_rng;
 use halo2curves::pasta::{EqAffine, Fp};
 
 use halo2_proofs::{
diff --git a/halo2_proofs/examples/circuit-layout.rs b/halo2_proofs/examples/circuit-layout.rs
index 66e8b81c8..ad5629d80 100644
--- a/halo2_proofs/examples/circuit-layout.rs
+++ b/halo2_proofs/examples/circuit-layout.rs
@@ -295,7 +295,7 @@ impl<F: Field> Circuit<F> for MyCircuit<F> {
 fn main() {
     // Prepare the circuit you want to render.
     // You don't need to include any witness variables.
-    let a = Fp::random(halo2_test_utils::test_rng());
+    let a = Fp::random(halo2_debug::test_rng());
     let instance = Fp::one() + Fp::one();
     let lookup_table = vec![instance, a, a, Fp::zero()];
     let circuit: MyCircuit<Fp> = MyCircuit {
diff --git a/halo2_proofs/examples/two-chip.rs b/halo2_proofs/examples/two-chip.rs
index 6a7744047..507bf920b 100644
--- a/halo2_proofs/examples/two-chip.rs
+++ b/halo2_proofs/examples/two-chip.rs
@@ -1,12 +1,12 @@
 use std::marker::PhantomData;
 
+use halo2_debug::test_rng;
 use halo2_proofs::{
     arithmetic::Field,
     circuit::{AssignedCell, Chip, Layouter, Region, SimpleFloorPlanner, Value},
     plonk::{Advice, Circuit, Column, ConstraintSystem, ErrorFront, Instance, Selector},
     poly::Rotation,
 };
-use halo2_test_utils::test_rng;
 
 // ANCHOR: field-instructions
 /// A variable representing a number.
diff --git a/halo2_proofs/src/plonk/prover.rs b/halo2_proofs/src/plonk/prover.rs
index e2afcfd67..4362226da 100644
--- a/halo2_proofs/src/plonk/prover.rs
+++ b/halo2_proofs/src/plonk/prover.rs
@@ -108,8 +108,8 @@ fn test_create_proof() {
         },
         transcript::{Blake2bWrite, Challenge255, TranscriptWriterBuffer},
     };
+    use halo2_debug::test_rng;
     use halo2_middleware::ff::Field;
-    use halo2_test_utils::test_rng;
     use halo2curves::bn256::Bn256;
 
     #[derive(Clone, Copy)]
@@ -178,8 +178,8 @@ fn test_create_proof_custom() {
         },
         transcript::{Blake2bWrite, Challenge255, TranscriptWriterBuffer},
     };
+    use halo2_debug::test_rng;
     use halo2_middleware::ff::Field;
-    use halo2_test_utils::test_rng;
     use halo2curves::bn256::Bn256;
 
     #[derive(Clone, Copy)]
diff --git a/halo2_proofs/tests/compress_selectors.rs b/halo2_proofs/tests/compress_selectors.rs
index 1d264f403..ae6b011c1 100644
--- a/halo2_proofs/tests/compress_selectors.rs
+++ b/halo2_proofs/tests/compress_selectors.rs
@@ -10,6 +10,7 @@ use halo2_proofs::poly::Rotation;
 use halo2_backend::transcript::{
     Blake2bRead, Blake2bWrite, Challenge255, TranscriptReadBuffer, TranscriptWriterBuffer,
 };
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_middleware::zal::impls::{H2cEngine, PlonkEngineConfig};
 use halo2_proofs::arithmetic::Field;
 use halo2_proofs::plonk::{
@@ -19,7 +20,6 @@ use halo2_proofs::plonk::{
 use halo2_proofs::poly::kzg::commitment::{KZGCommitmentScheme, ParamsKZG};
 use halo2_proofs::poly::kzg::multiopen::{ProverSHPLONK, VerifierSHPLONK};
 use halo2_proofs::poly::kzg::strategy::SingleStrategy;
-use halo2_test_utils::{assert_test_proof, one_rng};
 use halo2curves::bn256::{Bn256, Fr, G1Affine};
 
 #[derive(Debug, Clone)]
diff --git a/halo2_proofs/tests/frontend_backend_split.rs b/halo2_proofs/tests/frontend_backend_split.rs
index fd757d5f4..bdfa6635c 100644
--- a/halo2_proofs/tests/frontend_backend_split.rs
+++ b/halo2_proofs/tests/frontend_backend_split.rs
@@ -1,10 +1,6 @@
 #![allow(clippy::many_single_char_names)]
 #![allow(clippy::op_ref)]
 
-#[cfg(feature = "heap-profiling")]
-#[global_allocator]
-static ALLOC: dhat::Alloc = dhat::Alloc;
-
 use halo2_backend::{
     plonk::{
         keygen::{keygen_pk, keygen_vk},
@@ -15,6 +11,7 @@ use halo2_backend::{
         Blake2bRead, Blake2bWrite, Challenge255, TranscriptReadBuffer, TranscriptWriterBuffer,
     },
 };
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_frontend::{
     circuit::{
         compile_circuit, AssignedCell, Layouter, Region, SimpleFloorPlanner, Value,
@@ -28,7 +25,6 @@ use halo2_frontend::{
     },
 };
 use halo2_middleware::{ff::Field, poly::Rotation};
-use halo2_test_utils::{assert_test_proof, one_rng};
 use std::collections::HashMap;
 
 #[derive(Clone)]
@@ -489,9 +485,6 @@ const WIDTH_FACTOR: usize = 1;
 
 #[test]
 fn test_mycircuit_full_legacy() {
-    #[cfg(all(feature = "heap-profiling", not(coverage)))]
-    let _profiler = dhat::Profiler::new_heap();
-
     use halo2_proofs::plonk::{
         create_proof, keygen_pk as keygen_pk_legacy, keygen_vk as keygen_vk_legacy,
     };
@@ -555,9 +548,6 @@ fn test_mycircuit_full_legacy() {
 fn test_mycircuit_full_split() {
     use halo2_middleware::zal::impls::{H2cEngine, PlonkEngineConfig};
 
-    #[cfg(all(feature = "heap-profiling", not(coverage)))]
-    let _profiler = dhat::Profiler::new_heap();
-
     let engine = PlonkEngineConfig::new()
         .set_curve::<G1Affine>()
         .set_msm(H2cEngine::new())
diff --git a/halo2_proofs/tests/plonk_api.rs b/halo2_proofs/tests/plonk_api.rs
index cf0a96b89..bcdfeabd3 100644
--- a/halo2_proofs/tests/plonk_api.rs
+++ b/halo2_proofs/tests/plonk_api.rs
@@ -3,6 +3,8 @@
 
 use assert_matches::assert_matches;
 use ff::{FromUniformBytes, WithSmallOrderMulGroup};
+use halo2_debug::test_rng;
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_middleware::zal::{
     impls::{PlonkEngine, PlonkEngineConfig},
     traits::MsmAccel,
@@ -22,8 +24,6 @@ use halo2_proofs::transcript::{
     Blake2bRead, Blake2bWrite, Challenge255, EncodedChallenge, TranscriptReadBuffer,
     TranscriptWriterBuffer,
 };
-use halo2_test_utils::test_rng;
-use halo2_test_utils::{assert_test_proof, one_rng};
 use rand_core::RngCore;
 use std::marker::PhantomData;
 
diff --git a/halo2_proofs/tests/serialization.rs b/halo2_proofs/tests/serialization.rs
index 1a2d1e1fe..65421405b 100644
--- a/halo2_proofs/tests/serialization.rs
+++ b/halo2_proofs/tests/serialization.rs
@@ -4,6 +4,7 @@ use std::{
 };
 
 use ff::Field;
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_proofs::{
     circuit::{Layouter, SimpleFloorPlanner, Value},
     plonk::{
@@ -23,7 +24,6 @@ use halo2_proofs::{
     },
     SerdeFormat,
 };
-use halo2_test_utils::{assert_test_proof, one_rng};
 use halo2curves::bn256::{Bn256, Fr, G1Affine};
 
 #[derive(Clone, Copy)]
diff --git a/halo2_proofs/tests/shuffle.rs b/halo2_proofs/tests/shuffle.rs
index 97d8ce604..ee18a3e63 100644
--- a/halo2_proofs/tests/shuffle.rs
+++ b/halo2_proofs/tests/shuffle.rs
@@ -1,4 +1,5 @@
 use ff::{BatchInvert, FromUniformBytes};
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_proofs::{
     arithmetic::{CurveAffine, Field},
     circuit::{floor_planner::V1, Layouter, Value},
@@ -18,7 +19,6 @@ use halo2_proofs::{
         Blake2bRead, Blake2bWrite, Challenge255, TranscriptReadBuffer, TranscriptWriterBuffer,
     },
 };
-use halo2_test_utils::{assert_test_proof, one_rng};
 use rand_chacha::ChaCha20Rng;
 use rand_core::{RngCore, SeedableRng};
 use std::iter;
diff --git a/halo2_proofs/tests/shuffle_api.rs b/halo2_proofs/tests/shuffle_api.rs
index c405d23e3..951144fb8 100644
--- a/halo2_proofs/tests/shuffle_api.rs
+++ b/halo2_proofs/tests/shuffle_api.rs
@@ -1,6 +1,7 @@
 use std::{marker::PhantomData, vec};
 
 use ff::FromUniformBytes;
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_proofs::{
     arithmetic::Field,
     circuit::{Layouter, SimpleFloorPlanner, Value},
@@ -22,7 +23,6 @@ use halo2_proofs::{
         Blake2bRead, Blake2bWrite, Challenge255, TranscriptReadBuffer, TranscriptWriterBuffer,
     },
 };
-use halo2_test_utils::{assert_test_proof, one_rng};
 use halo2curves::{pasta::EqAffine, CurveAffine};
 
 struct ShuffleChip<F: Field> {
diff --git a/halo2_proofs/tests/vector-ops-unblinded.rs b/halo2_proofs/tests/vector-ops-unblinded.rs
index 86fffb7c9..461a19293 100644
--- a/halo2_proofs/tests/vector-ops-unblinded.rs
+++ b/halo2_proofs/tests/vector-ops-unblinded.rs
@@ -4,6 +4,7 @@
 use std::marker::PhantomData;
 
 use ff::FromUniformBytes;
+use halo2_debug::{assert_test_proof, one_rng};
 use halo2_proofs::{
     arithmetic::{CurveAffine, Field},
     circuit::{AssignedCell, Chip, Layouter, Region, SimpleFloorPlanner, Value},
@@ -21,7 +22,6 @@ use halo2_proofs::{
         Blake2bRead, Blake2bWrite, Challenge255, TranscriptReadBuffer, TranscriptWriterBuffer,
     },
 };
-use halo2_test_utils::{assert_test_proof, one_rng};
 
 // ANCHOR: instructions
 trait NumericInstructions<F: Field>: Chip<F> {