diff --git a/Cargo.toml b/Cargo.toml
index 4cdd7de..0ce8287 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,6 @@ authors = ["Nikolajus Krauklis <nikolajus@gmail.com>"]
 
 [lints.rust]
 unsafe_code = "forbid"
-unused = "allow"
 
 [lib]
 crate-type = ["cdylib", "rlib"]
diff --git a/src/eval.rs b/src/eval.rs
index efac35d..18a3d66 100644
--- a/src/eval.rs
+++ b/src/eval.rs
@@ -118,6 +118,7 @@ pub fn eval<'a>(expr: &AstNode, context: &Context) -> Result<bool, &'a str> {
     Ok(result)
 }
 
+#[cfg(test)]
 mod tests {
     use crate::{ast::Atom, parse::parse};
 
diff --git a/src/parse.rs b/src/parse.rs
index c13fa8f..9325d43 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -228,6 +228,7 @@ pub fn parse(i: &str) -> IResult<&str, AstNode> {
     alt((ws(parse_expr), ws(parse_parenthesized_expr)))(i)
 }
 
+#[cfg(test)]
 mod tests {
     use super::*;
 
diff --git a/src/parse_flagfile.rs b/src/parse_flagfile.rs
index c93c458..755dd70 100644
--- a/src/parse_flagfile.rs
+++ b/src/parse_flagfile.rs
@@ -112,6 +112,7 @@ pub fn parse_flagfile(i: &str) -> IResult<&str, Vec<FlagValue>> {
     many0(rest)(i)
 }
 
+#[cfg(test)]
 mod tests {
     use super::*;