diff --git a/ruma-api-macros/Cargo.toml b/ruma-api-macros/Cargo.toml
index 477214f2..0cc553f0 100644
--- a/ruma-api-macros/Cargo.toml
+++ b/ruma-api-macros/Cargo.toml
@@ -16,7 +16,6 @@ version = "0.16.1"
 edition = "2018"
 
 [dependencies]
-matches = "0.1.8"
 proc-macro2 = "1.0.18"
 quote = "1.0.7"
 syn = { version = "1.0.31", features = ["full", "extra-traits"] }
diff --git a/ruma-api-macros/src/api/response.rs b/ruma-api-macros/src/api/response.rs
index 7c9f64b7..0d8d8283 100644
--- a/ruma-api-macros/src/api/response.rs
+++ b/ruma-api-macros/src/api/response.rs
@@ -2,7 +2,6 @@
 
 use std::{convert::TryFrom, mem};
 
-use matches::matches;
 use proc_macro2::TokenStream;
 use quote::{quote, quote_spanned, ToTokens};
 use syn::{spanned::Spanned, Field, Ident};
diff --git a/ruma-common/Cargo.toml b/ruma-common/Cargo.toml
index 75fe68bb..2dbb97c4 100644
--- a/ruma-common/Cargo.toml
+++ b/ruma-common/Cargo.toml
@@ -12,8 +12,10 @@ edition = "2018"
 
 [dependencies]
 js_int = { version = "0.1.7", features = ["serde"] }
-matches = "0.1.8"
 ruma-serde = { version = "0.2.2", path = "../ruma-serde" }
 serde = { version = "1.0.113", features = ["derive"] }
 serde_json = { version = "1.0.55", features = ["raw_value"] }
 strum = { version = "0.18.0", features = ["derive"] }
+
+[dev-dependencies]
+matches = "0.1.8"
diff --git a/ruma-events-macros/Cargo.toml b/ruma-events-macros/Cargo.toml
index 522fb3b3..fc98dbb7 100644
--- a/ruma-events-macros/Cargo.toml
+++ b/ruma-events-macros/Cargo.toml
@@ -16,7 +16,6 @@ version = "0.21.3"
 syn = { version = "1.0.31", features = ["full"] }
 quote = "1.0.7"
 proc-macro2 = "1.0.18"
-matches = "0.1.8"
 
 [lib]
 proc-macro = true
diff --git a/ruma-events-macros/src/event_enum.rs b/ruma-events-macros/src/event_enum.rs
index ed2946d1..0804eff9 100644
--- a/ruma-events-macros/src/event_enum.rs
+++ b/ruma-events-macros/src/event_enum.rs
@@ -1,6 +1,5 @@
 //! Implementation of event enum and event content enum macros.
 
-use matches::matches;
 use proc_macro2::{Span, TokenStream};
 use quote::{format_ident, quote};
 use syn::{
diff --git a/ruma-federation-api/Cargo.toml b/ruma-federation-api/Cargo.toml
index 1f316f8c..a08a0c0e 100644
--- a/ruma-federation-api/Cargo.toml
+++ b/ruma-federation-api/Cargo.toml
@@ -17,7 +17,6 @@ version = "0.0.2"
 
 [dependencies]
 js_int = "0.1.7"
-matches = "0.1.8"
 ruma-api = { version = "0.16.1", path = "../ruma-api" }
 ruma-common = { version = "0.1.3", path = "../ruma-common" }
 ruma-events = { version = "0.21.3", path = "../ruma-events" }
@@ -25,3 +24,6 @@ ruma-identifiers = { version = "=0.17.0-pre.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.2.2", path = "../ruma-serde" }
 serde = { version = "1.0.113", features = ["derive"] }
 serde_json = "1.0.55"
+
+[dev-dependencies]
+matches = "0.1.8"
diff --git a/ruma-identifiers/Cargo.toml b/ruma-identifiers/Cargo.toml
index e2d89d4b..af022e55 100644
--- a/ruma-identifiers/Cargo.toml
+++ b/ruma-identifiers/Cargo.toml
@@ -21,10 +21,10 @@ default = ["serde"]
 
 [dependencies]
 either = { version = "1.5.3", optional = true }
-matches = "0.1.8"
 rand = { version = "0.7.3", optional = true }
 serde = { version = "1.0.113", optional = true, features = ["derive"] }
 strum = { version = "0.18.0", features = ["derive"] }
 
 [dev-dependencies]
+matches = "0.1.8"
 serde_json = "1.0.55"
diff --git a/ruma-identifiers/src/room_version_id.rs b/ruma-identifiers/src/room_version_id.rs
index 01ed5f5f..4d878cc5 100644
--- a/ruma-identifiers/src/room_version_id.rs
+++ b/ruma-identifiers/src/room_version_id.rs
@@ -6,7 +6,6 @@ use std::{
     fmt::{self, Display, Formatter},
 };
 
-use matches::matches;
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 
diff --git a/ruma-identifiers/src/user_id.rs b/ruma-identifiers/src/user_id.rs
index 8d41a349..9e8847e1 100644
--- a/ruma-identifiers/src/user_id.rs
+++ b/ruma-identifiers/src/user_id.rs
@@ -2,8 +2,6 @@
 
 use std::{convert::TryFrom, num::NonZeroU8};
 
-use matches::matches;
-
 use crate::{error::Error, parse_id, ServerName};
 
 /// A Matrix user ID.