diff --git a/crates/codegen/Cargo.toml b/crates/codegen/Cargo.toml
index 8b3f5043..838ec4bd 100644
--- a/crates/codegen/Cargo.toml
+++ b/crates/codegen/Cargo.toml
@@ -15,7 +15,6 @@ keywords = ["compiler", "evm", "wasm", "smart-contract"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-primitive-types = "0.12"
 cranelift-entity = "0.89"
 smallvec = "1.7.0"
 fxhash = "0.2.1"
diff --git a/crates/ir/Cargo.toml b/crates/ir/Cargo.toml
index 46a4b225..13c7bbac 100644
--- a/crates/ir/Cargo.toml
+++ b/crates/ir/Cargo.toml
@@ -14,7 +14,7 @@ keywords = ["compiler", "evm", "wasm", "smart-contract"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-primitive-types = "0.12"
+primitive-types = { version = "0.12", default-features = false }
 cranelift-entity = "0.89"
 smallvec = "1.7.0"
 fxhash = "0.2.1"