diff --git a/Cargo.toml b/Cargo.toml
index 76ad80a8..ea3bf35a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,7 @@ default = ["elements"]
 elements = ["dep:elements", "bitcoin"]
 test-utils = ["simplicity-sys/test-utils"]
 serde = ["dep:serde", "bitcoin/serde", "elements/serde"]
+human_encoding = []
 
 [lib]
 name = "simplicity"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 4135e812..17cc3bc3 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -16,7 +16,7 @@ path = "fuzz_lib/lib.rs"
 libfuzzer-sys = "0.4"
 # We shouldn't need an explicit version on the next line, but Andrew's tools
 # choke on it otherwise. See https://github.com/nix-community/crate2nix/issues/373
-simplicity-lang = { path = "..", features = ["test-utils"], version = "0.7.0" }
+simplicity-lang = { path = "..", features = ["test-utils", "human_encoding"], version = "0.7.0" }
 old_simplicity = { package = "simplicity-lang", version = "0.3.1", default-features = false }
 
 [dev-dependencies]
diff --git a/simpcli/Cargo.toml b/simpcli/Cargo.toml
index 1f9e5eb7..fc36657d 100644
--- a/simpcli/Cargo.toml
+++ b/simpcli/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 
 [dependencies]
 # todo add lexopt for command line parsing
-simplicity-lang = { version = "0.7.0", path = "..", features = [ "base64", "serde", "elements" ] }
+simplicity-lang = { version = "0.7.0", path = "..", features = [ "base64", "serde", "elements", "human_encoding" ] }
 
 [[bin]]
 name = "simpcli"
diff --git a/src/lib.rs b/src/lib.rs
index 4f9b7951..531abb36 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -90,6 +90,7 @@ mod analysis;
 mod bit_encoding;
 pub mod bit_machine;
 pub mod dag;
+#[cfg(any(feature = "human_encoding", test))]
 pub mod human_encoding;
 pub mod jet;
 mod merkle;