diff --git a/Cargo.toml b/Cargo.toml
index cea457b..f3347b4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,7 +55,7 @@ math = []
 log = []
 bintols = []
 net = []
-bin = ["bintols", "math", "dep:clap", "dep:clap-num", "dep:clap-verbosity-flag"]
+bin = ["dep:clap", "dep:clap-num", "dep:clap-verbosity-flag"]
 
 [lib]
 name = "libpt"
@@ -68,10 +68,12 @@ crate-type = [
 [[bin]]
 name = "ccc"
 path = "src/ccc/mod.rs"
+required-features = ["bin", "math"]
 
 [[bin]]
 name = "hedu"
 path = "src/hedu/mod.rs"
+required-features = ["bin", "bintols"]
 
 
 [dependencies]
diff --git a/members/libpt-bintols/src/hedu/mod.rs b/members/libpt-bintols/src/hedu/mod.rs
index aab45f2..686dba8 100644
--- a/members/libpt-bintols/src/hedu/mod.rs
+++ b/members/libpt-bintols/src/hedu/mod.rs
@@ -6,7 +6,7 @@
 //! This crate is currently empty.
 
 use anyhow::{bail, Result};
-use libpt_bintols::display::{bytes_to_bin, humanbytes};
+use crate::display::{bytes_to_bin, humanbytes};
 use libpt_log::{debug, error, info, trace, warn};
 use std::io::{prelude::*, BufReader, Read, SeekFrom};
 
diff --git a/members/libpt-bintols/src/lib.rs b/members/libpt-bintols/src/lib.rs
index ca13f78..36aa2bb 100644
--- a/members/libpt-bintols/src/lib.rs
+++ b/members/libpt-bintols/src/lib.rs
@@ -25,3 +25,4 @@ pub const YOBI: u128 = 2u128.pow(80);
 // use libpt_core;
 pub mod datalayout;
 pub mod display;
+pub mod hedu;
diff --git a/members/libpt-math/src/ccc/mod.rs b/members/libpt-math/src/ccc/mod.rs
index 3b538a6..84efe1f 100644
--- a/members/libpt-math/src/ccc/mod.rs
+++ b/members/libpt-math/src/ccc/mod.rs
@@ -19,8 +19,6 @@
 #![warn(clippy::pedantic)]
 
 //// IMPORTS ///////////////////////////////////////////////////////////////////////////////////////
-use libpt_log;
-use libpt_math;
 
 //// TYPES /////////////////////////////////////////////////////////////////////////////////////////
 
diff --git a/members/libpt-math/src/lib.rs b/members/libpt-math/src/lib.rs
index c93077f..dbafa06 100644
--- a/members/libpt-math/src/lib.rs
+++ b/members/libpt-math/src/lib.rs
@@ -15,6 +15,7 @@
 #![warn(clippy::pedantic)]
 
 //// IMPORTS ///////////////////////////////////////////////////////////////////////////////////////
+pub mod ccc;
 
 //// TYPES /////////////////////////////////////////////////////////////////////////////////////////
 
diff --git a/src/hedu/mod.rs b/src/hedu/mod.rs
index 91fe487..5010a7b 100644
--- a/src/hedu/mod.rs
+++ b/src/hedu/mod.rs
@@ -13,7 +13,7 @@
 
 //// IMPORTS ///////////////////////////////////////////////////////////////////////////////////////
 
-use libpt::{hedu::*, log::*};
+use libpt::{log::*, bintols::hedu::*};
 
 use clap::Parser;
 use clap_verbosity_flag::{InfoLevel, Verbosity};
@@ -88,6 +88,11 @@ pub struct Cli {
     /// If left empty or set as "-", the program will read from stdin.
     pub data_source: Option<String>,
 }
+impl Cli {
+    fn parse() -> Cli {
+        todo!()
+    }
+}
 
 //// IMPLEMENTATION ////////////////////////////////////////////////////////////////////////////////
 
diff --git a/src/lib.rs b/src/lib.rs
index 1390701..8899a30 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -12,8 +12,6 @@ pub use libpt_bintols as bintols;
 pub use libpt_ccc as ccc;
 #[cfg(feature = "core")]
 pub use libpt_core as core;
-#[cfg(feature = "hedu")]
-pub use libpt_hedu as hedu;
 #[cfg(feature = "log")]
 pub use libpt_log as log;
 #[cfg(feature = "math")]