diff --git a/src/build/app/mod.rs b/src/build/app/mod.rs
index 7f2418f2ad2..d2f4d1b9e3a 100644
--- a/src/build/app/mod.rs
+++ b/src/build/app/mod.rs
@@ -60,7 +60,7 @@ use crate::{
 /// // Your program logic starts here...
 /// ```
 /// [`App::get_matches`]: ./struct.App.html#method.get_matches
-#[derive(Default, Debug, Clone)]
+#[derive(Default, Debug, Clone, PartialEq, Eq)]
 pub struct App<'help> {
     pub(crate) id: Id,
     pub(crate) name: String,
diff --git a/src/build/app/settings.rs b/src/build/app/settings.rs
index 492816a19c8..45dc922bce9 100644
--- a/src/build/app/settings.rs
+++ b/src/build/app/settings.rs
@@ -51,7 +51,7 @@ bitflags! {
     }
 }
 
-#[derive(Debug, Copy, Clone, PartialEq)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub(crate) struct AppFlags(Flags);
 
 impl BitOr for AppFlags {
diff --git a/src/build/arg_group.rs b/src/build/arg_group.rs
index 193007b4066..8f58b61fed1 100644
--- a/src/build/arg_group.rs
+++ b/src/build/arg_group.rs
@@ -75,7 +75,7 @@ use yaml_rust::Yaml;
 /// [arguments]: ./struct.Arg.html
 /// [conflict]: ./struct.Arg.html#method.conflicts_with
 /// [requirement]: ./struct.Arg.html#method.requires
-#[derive(Default, Debug)]
+#[derive(Default, Debug, PartialEq, Eq)]
 pub struct ArgGroup<'help> {
     pub(crate) id: Id,
     pub(crate) name: &'help str,
diff --git a/src/mkeymap.rs b/src/mkeymap.rs
index 6fc2209eb87..a6ddc39ffb8 100644
--- a/src/mkeymap.rs
+++ b/src/mkeymap.rs
@@ -5,13 +5,13 @@ use std::{
     ops::Index,
 };
 
-#[derive(PartialEq, Debug, Clone)]
+#[derive(PartialEq, Eq, Debug, Clone)]
 pub(crate) struct Key {
     pub(crate) key: KeyType,
     pub(crate) index: usize,
 }
 
-#[derive(Default, PartialEq, Debug, Clone)]
+#[derive(Default, PartialEq, Eq, Debug, Clone)]
 pub(crate) struct MKeyMap<'help> {
     pub(crate) keys: Vec<Key>,
     pub(crate) args: Vec<Arg<'help>>,
diff --git a/src/parse/matches/arg_matches.rs b/src/parse/matches/arg_matches.rs
index cc1db379474..987e396d3f4 100644
--- a/src/parse/matches/arg_matches.rs
+++ b/src/parse/matches/arg_matches.rs
@@ -18,7 +18,7 @@ use crate::{
     {Error, INVALID_UTF8},
 };
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub(crate) struct SubCommand {
     pub(crate) id: Id,
     pub(crate) name: String,
@@ -72,7 +72,7 @@ pub(crate) struct SubCommand {
 /// }
 /// ```
 /// [`App::get_matches`]: ./struct.App.html#method.get_matches
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct ArgMatches {
     pub(crate) args: IndexMap<Id, MatchedArg>,
     pub(crate) subcommand: Option<Box<SubCommand>>,
diff --git a/src/parse/matches/matched_arg.rs b/src/parse/matches/matched_arg.rs
index e9286bed475..25fcb990be7 100644
--- a/src/parse/matches/matched_arg.rs
+++ b/src/parse/matches/matched_arg.rs
@@ -9,7 +9,7 @@ pub(crate) enum ValueType {
     DefaultValue,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub(crate) struct MatchedArg {
     pub(crate) occurs: u64,
     pub(crate) ty: ValueType,