diff --git a/scripts/generate-umbrella.py b/scripts/generate-umbrella.py
index 6dc17475..f9f29069 100644
--- a/scripts/generate-umbrella.py
+++ b/scripts/generate-umbrella.py
@@ -98,6 +98,16 @@ def main(path, version):
 	std_crates.sort(key=lambda x: x[0].name)
 	nostd_crates.sort(key=lambda x: x[0].name)
 
+	# Client-side crates that declare no_std but have std-only transitive
+	# dependencies (e.g. thiserror v1, regex). Exclude from runtime-full
+	# to prevent wasm32v1-none compilation failures.
+	RUNTIME_FULL_EXCLUDE = {
+		"pezkuwi-subxt-signer",
+		"pezkuwi-subxt-core",
+		"pezkuwi-subxt-macro",
+		"pezkuwi-subxt-metadata",
+	}
+
 	runtime_crates = [crate for crate in nostd_crates if 'frame' in crate[0].name or crate[0].name.startswith('sp-')]
 	all_crates = std_crates + nostd_crates
 	all_crates.sort(key=lambda x: x[0].name)
@@ -118,7 +128,7 @@ def main(path, version):
 		"serde": [],
 		"experimental": [],
 		"with-tracing": [],
-		"runtime-full": list([f"{d.name}" for d, _ in nostd_crates]),
+		"runtime-full": list([f"{d.name}" for d, _ in nostd_crates if d.name not in RUNTIME_FULL_EXCLUDE]),
 		"runtime": list([f"{d.name}" for d, _ in runtime_crates]),
 		"node": ["std"] + list([f"{d.name}" for d, _ in std_crates]),
 		"tuples-96": [],
diff --git a/umbrella/Cargo.toml b/umbrella/Cargo.toml
index 902528e5..0514ff1b 100644
--- a/umbrella/Cargo.toml
+++ b/umbrella/Cargo.toml
@@ -1782,10 +1782,6 @@ runtime-full = [
 	"pezkuwi-runtime-common",
 	"pezkuwi-runtime-metrics",
 	"pezkuwi-runtime-teyrchains",
-	"pezkuwi-subxt-core",
-	"pezkuwi-subxt-macro",
-	"pezkuwi-subxt-metadata",
-	"pezkuwi-subxt-signer",
 	"pezkuwi-teyrchain-primitives",
 	"pezpallet-alliance",
 	"pezpallet-asset-conversion",
diff --git a/vendor/pezkuwi-subxt/signer/Cargo.toml b/vendor/pezkuwi-subxt/signer/Cargo.toml
index deb60685..2da0514a 100644
--- a/vendor/pezkuwi-subxt/signer/Cargo.toml
+++ b/vendor/pezkuwi-subxt/signer/Cargo.toml
@@ -32,6 +32,7 @@ std = [
 	"pezsp-crypto-hashing/std",
 	"pezsp-keyring/std",
 	"regex/std",
+	"regex/perf",
 	"schnorrkel?/std",
 	"scrypt?/std",
 	"secp256k1?/std",
@@ -97,7 +98,7 @@ keccak-hash = { workspace = true, optional = true }
 pbkdf2 = { workspace = true }
 pezkuwi-subxt-core = { workspace = true, optional = true, default-features = false }
 pezsp-crypto-hashing = { workspace = true }
-regex = { workspace = true, features = ["unicode"] }
+regex = { version = "1.10.2", default-features = false, features = ["unicode"] }
 schnorrkel = { workspace = true, optional = true, features = ["getrandom"] }
 secp256k1 = { workspace = true, optional = true, features = [
 	"alloc",