diff --git a/Cargo.lock b/Cargo.lock
index 2ec2eca5a..b29daaaa5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -206,7 +206,6 @@ name = "ekore"
 version = "0.0.1"
 dependencies = [
  "float-cmp",
- "hashbrown",
  "num",
 ]
 
diff --git a/crates/README.md b/crates/README.md
index baa27a087..212e755cd 100644
--- a/crates/README.md
+++ b/crates/README.md
@@ -4,6 +4,7 @@ Here, we develop the Rust components of the EKO library
 
 ## Crates
 
+- `dekoder` handles the output file
 - `ekore` contains the underlying collinear anomalous dimensions and the operator matrix elements
 - `eko` is the glue between the Python side and the `ekore` crate
 
@@ -12,7 +13,7 @@ Here, we develop the Rust components of the EKO library
 - `release.json` defines the releasing order of crates
   - only listed crates will be released
   - dependent crates should follow those they are depending on
-- `katex-header.html` is an HTML snippet to be included in every docs page to inject
-  KaTeX support
+- `doc-header.html` is an HTML snippet to be included in every docs page to inject
+  KaTeX support and abbreviation support
 - `bump-versions.py` increases the Rust versions in all crates consistently
 - `make_bib.py` generates the Rust function stubs which serve as fake bibliography system
diff --git a/crates/dekoder/src/eko.rs b/crates/dekoder/src/eko.rs
index 1e950ac8a..1df9d7811 100644
--- a/crates/dekoder/src/eko.rs
+++ b/crates/dekoder/src/eko.rs
@@ -27,14 +27,11 @@ impl TryFrom<&Yaml> for EvolutionPoint {
     fn try_from(yml: &Yaml) -> Result<Self> {
         // work around float representation
         let scale = yml["scale"].as_f64();
-        let scale = if scale.is_some() {
-            scale.ok_or(EKOError::KeyError(
-                "because failed to read scale as float".to_owned(),
-            ))?
-        } else {
-            yml["scale"].as_i64().ok_or(EKOError::KeyError(
+        let scale = match scale {
+            Some(scale) => scale,
+            None => yml["scale"].as_i64().ok_or(EKOError::KeyError(
                 "because failed to read scale as float from int".to_owned(),
-            ))? as f64
+            ))? as f64,
         };
         let nf = yml["nf"]
             .as_i64()
diff --git a/crates/ekore/Cargo.toml b/crates/ekore/Cargo.toml
index 419bc126a..9d5acd2a9 100644
--- a/crates/ekore/Cargo.toml
+++ b/crates/ekore/Cargo.toml
@@ -19,5 +19,6 @@ rustdoc-args = ["--html-in-header", "doc-header.html"]
 
 [dependencies]
 num = "0.4.1"
+
+[dev-dependencies]
 float-cmp = "0.9.0"
-hashbrown = "0.14"
diff --git a/crates/ekore/src/harmonics/cache.rs b/crates/ekore/src/harmonics/cache.rs
index 1342f5175..eb2a9090b 100644
--- a/crates/ekore/src/harmonics/cache.rs
+++ b/crates/ekore/src/harmonics/cache.rs
@@ -1,7 +1,7 @@
 //! Cache harmonic sums for given Mellin N.
 
-use hashbrown::HashMap;
 use num::{complex::Complex, Zero};
+use std::collections::HashMap;
 
 use crate::harmonics::{g_functions, w1, w2, w3, w4};
 
diff --git a/crates/ekore/src/util.rs b/crates/ekore/src/util.rs
index 9d8b457e8..8d98f25b0 100644
--- a/crates/ekore/src/util.rs
+++ b/crates/ekore/src/util.rs
@@ -9,6 +9,7 @@ macro_rules! cmplx {
 }
 
 /// Shorthand complex number comparators.
+#[cfg(test)]
 #[macro_export]
 macro_rules! assert_approx_eq_cmplx {
     ($size:ty, $ref:expr, $target:expr) => {
diff --git a/crates/release.json b/crates/release.json
index c2b9f6f54..71e4a8ef0 100644
--- a/crates/release.json
+++ b/crates/release.json
@@ -1 +1 @@
-["ekore", "eko"]
+["dekoder", "ekore", "eko"]