diff --git a/Cargo.dev.toml b/Cargo.dev.toml
index f19d8d328..768282f89 100644
--- a/Cargo.dev.toml
+++ b/Cargo.dev.toml
@@ -23,6 +23,9 @@ members = [
 ]
 resolver = "2"
 
+[profile.dev]
+split-debuginfo = "unpacked"
+
 [patch.'https://github.com/paritytech/substrate']
 frame-benchmarking = { git = "https://github.com/paritytech//substrate", rev = "816ed3d4e77a2463c86e69ec5a26fc307ef452b9" }
 frame-support = { git = "https://github.com/paritytech//substrate", rev = "816ed3d4e77a2463c86e69ec5a26fc307ef452b9" }
diff --git a/tokens/Cargo.toml b/tokens/Cargo.toml
index 2f86a11ad..6c4b86fda 100644
--- a/tokens/Cargo.toml
+++ b/tokens/Cargo.toml
@@ -20,7 +20,9 @@ orml-traits = { path = "../traits", version = "0.4.1-dev", default-features = fa
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "rococo-v1" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "rococo-v1" }
 pallet-treasury = { git = "https://github.com/paritytech/substrate", branch = "rococo-v1" }
-pallet-elections-phragmen = { git = "https://github.com/paritytech/substrate", branch = "rococo-v1" }
+# Patch doesn't work as `pallet-elections-phragmen` is now 4.0.0 version. Revert `rev` to `rococo-v1` branch after
+# other `rococo-v1` dependencies upgraded.
+pallet-elections-phragmen = { git = "https://github.com/paritytech/substrate", rev = "816ed3d4e77a2463c86e69ec5a26fc307ef452b9" }
 
 [features]
 default = ["std"]