diff --git a/common/zalloc/Cargo.toml b/common/zalloc/Cargo.toml
index 2a18cf3c..c639e341 100644
--- a/common/zalloc/Cargo.toml
+++ b/common/zalloc/Cargo.toml
@@ -13,7 +13,7 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-zeroize = "^1.5"
+zeroize = { version = "^1.5", default-features = false }
 
 [features]
 # Commented for now as it requires nightly and we don't use nightly
diff --git a/coordinator/tributary/Cargo.toml b/coordinator/tributary/Cargo.toml
index 824288c3..cc3bd24f 100644
--- a/coordinator/tributary/Cargo.toml
+++ b/coordinator/tributary/Cargo.toml
@@ -32,7 +32,7 @@ scale = { package = "parity-scale-codec", version = "3", features = ["derive"] }
 futures = "0.3"
 tendermint = { package = "tendermint-machine", path = "./tendermint" }
 
-tokio = { version = "1", features = ["macros", "sync", "time", "rt"] }
+tokio = { version = "1", features = ["sync", "time", "rt"] }
 
 [features]
 tests = []
diff --git a/coordinator/tributary/tendermint/Cargo.toml b/coordinator/tributary/tendermint/Cargo.toml
index 91153e8a..865034de 100644
--- a/coordinator/tributary/tendermint/Cargo.toml
+++ b/coordinator/tributary/tendermint/Cargo.toml
@@ -16,4 +16,7 @@ log = "0.4"
 parity-scale-codec = { version = "3", features = ["derive"] }
 
 futures = "0.3"
-tokio = { version = "1", features = ["macros", "sync", "time", "rt"] }
+tokio = { version = "1", features = ["sync", "time"] }
+
+[dev-dependencies]
+tokio = { version = "1", features = ["rt-multi-thread", "macros"] }