diff --git a/src/lib.rs b/src/lib.rs
index e155f12..778d045 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,7 +16,6 @@ use std::ops::Deref;
 pub mod macros;
 
 pub mod tag;
-use help::DocParams;
 use tag::Full;
 
 mod error;
@@ -24,6 +23,8 @@ pub use error::ArgParseError;
 
 #[cfg(feature = "help")]
 mod help;
+#[cfg(feature = "help")]
+use help::DocParams;
 
 mod types;
 pub use types::{ArgResult, ArgumentType, DefaultedArgResult};
diff --git a/src/tag.rs b/src/tag.rs
index c2331fc..05fe8e5 100644
--- a/src/tag.rs
+++ b/src/tag.rs
@@ -70,6 +70,7 @@ impl Full {
     ///
     /// Only available on feature `help`.
     #[must_use]
+    #[cfg(feature = "help")]
     pub fn doc<S: ToString>(mut self, doc: S) -> Self {
         let doc = doc.to_string();
         if doc.is_empty() {