diff --git a/scopegraphs-macros/Cargo.toml b/scopegraphs-macros/Cargo.toml
index 91818b7..46591df 100644
--- a/scopegraphs-macros/Cargo.toml
+++ b/scopegraphs-macros/Cargo.toml
@@ -18,7 +18,7 @@ proc-macro = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-syn = { version = "2.0.29", features = ["full"] }
+syn = { version = "2.0.29", features = [] }
 quote = "1.0.33"
 scopegraphs-regular-expressions = { path = "../scopegraphs-regular-expressions", features = ["rust-code-emitting", "dot"], version = "0.2.0" }
 proc-macro2 = "1.0.69"
diff --git a/scopegraphs-regular-expressions/Cargo.toml b/scopegraphs-regular-expressions/Cargo.toml
index 4b973df..8de7164 100644
--- a/scopegraphs-regular-expressions/Cargo.toml
+++ b/scopegraphs-regular-expressions/Cargo.toml
@@ -14,7 +14,7 @@ rust-version = "1.75"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
-syn = { version = "2.0.29", features = ["full", "extra-traits"] }
+syn = { version = "2.0.29", default-features = false, features = ["parsing"] }
 quote = { version = "1.0.33", optional = true }
 proc-macro2 = "1.0.69"
 thiserror = "1.0.50"
diff --git a/scopegraphs-regular-expressions/src/regex.rs b/scopegraphs-regular-expressions/src/regex.rs
index 3c7a4e3..cfd1a4c 100644
--- a/scopegraphs-regular-expressions/src/regex.rs
+++ b/scopegraphs-regular-expressions/src/regex.rs
@@ -5,15 +5,35 @@ use std::fmt::Debug;
 #[cfg(feature = "pretty-print")]
 use std::fmt::Display;
 use std::fmt::Formatter;
+use std::hash::{Hash, Hasher};
 use std::ops::Deref;
 use std::rc::Rc;
 use syn::Path;
 
-#[derive(Hash, Debug, Clone, PartialEq, Eq)]
 pub struct Symbol {
     pub(super) name: Path,
 }
 
+impl Eq for Symbol {}
+
+impl PartialEq for Symbol {
+    fn eq(&self, other: &Self) -> bool {
+        self.to_string() == other.to_string()
+    }
+}
+
+impl Debug for Symbol {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        Display::fmt(self, f)
+    }
+}
+
+impl Hash for Symbol {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.to_string().hash(state)
+    }
+}
+
 #[cfg(feature = "pretty-print")]
 impl Display for Symbol {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
diff --git a/scopegraphs/Cargo.toml b/scopegraphs/Cargo.toml
index 9adbc6f..cf66646 100644
--- a/scopegraphs/Cargo.toml
+++ b/scopegraphs/Cargo.toml
@@ -15,6 +15,7 @@ rust-version = "1.75"
 
 [dependencies]
 futures = { version = "0.3.30", default-features = false, features = ["std"] }
+
 bumpalo = "3.14.0"
 dot = { version = "0.1.4", optional = true }
 scopegraphs-prust-lib = { version = "0.1.0" }
@@ -26,7 +27,7 @@ scopegraphs-regular-expressions = { path = "../scopegraphs-regular-expressions",
 [dev-dependencies]
 env_logger = "0.10.1"
 ctor = "0.2.5"
-futures = { version = "0.3.30", default-features = false, features = ["std", "executor"] }
+futures = { version = "0.3.30", default-features = false, features = ["alloc", "executor"] }
 
 [features]
 default = ["dot", "dynamic-regex"]