diff --git a/rstest_macros/src/parse/fixture.rs b/rstest_macros/src/parse/fixture.rs
index 2dad5bd..ad810d8 100644
--- a/rstest_macros/src/parse/fixture.rs
+++ b/rstest_macros/src/parse/fixture.rs
@@ -8,8 +8,7 @@ use syn::{
 
 use super::{
     arguments::ArgumentsInfo,
-    extract_argument_attrs, extract_default_return_type, extract_defaults, extract_fixtures,
-    extract_partials_return_type,
+    extract_default_return_type, extract_defaults, extract_fixtures, extract_partials_return_type,
     future::{extract_futures, extract_global_awt},
     parse_vector_trailing_till_double_comma, Attributes, ExtendWithFunctionAttrs, Fixture,
 };
@@ -166,36 +165,6 @@ impl VisitMut for FixturesFunctionExtractor {
     }
 }
 
-/// Simple struct used to visit function attributes and extract fixture default values info and
-/// eventualy parsing errors
-#[derive(Default)]
-pub(crate) struct DefaultsFunctionExtractor(
-    pub(crate) Vec<ArgumentValue>,
-    pub(crate) Vec<syn::Error>,
-);
-
-impl VisitMut for DefaultsFunctionExtractor {
-    fn visit_fn_arg_mut(&mut self, node: &mut FnArg) {
-        let pat = match node.maybe_pat() {
-            Some(pat) => pat.clone(),
-            None => return,
-        };
-        for r in extract_argument_attrs(
-            node,
-            |a| attr_is(a, "default"),
-            |a| {
-                a.parse_args::<Expr>()
-                    .map(|e| ArgumentValue::new(pat.clone(), e))
-            },
-        ) {
-            match r {
-                Ok(value) => self.0.push(value),
-                Err(err) => self.1.push(err),
-            }
-        }
-    }
-}
-
 #[derive(PartialEq, Debug, Default)]
 pub(crate) struct FixtureData {
     pub items: Vec<FixtureItem>,
diff --git a/rstest_macros/src/parse/mod.rs b/rstest_macros/src/parse/mod.rs
index 3115edf..baef9e6 100644
--- a/rstest_macros/src/parse/mod.rs
+++ b/rstest_macros/src/parse/mod.rs
@@ -340,27 +340,6 @@ impl VisitMut for PartialsTypeFunctionExtractor {
         };
     }
 }
-/// Simple struct used to visit function attributes and extract case arguments and
-/// eventualy parsing errors
-#[derive(Default)]
-struct CaseArgsFunctionExtractor(Vec<Pat>, Vec<syn::Error>);
-
-impl VisitMut for CaseArgsFunctionExtractor {
-    fn visit_fn_arg_mut(&mut self, node: &mut FnArg) {
-        let pat = match node.maybe_pat() {
-            Some(pat) => pat.clone(),
-            None => return,
-        };
-        for r in extract_argument_attrs(node, |a| attr_is(a, "case"), |_| Ok(())) {
-            match r {
-                Ok(_) => self.0.push(pat.clone()),
-                Err(err) => self.1.push(err),
-            }
-        }
-
-        syn::visit_mut::visit_fn_arg_mut(self, node);
-    }
-}
 
 pub(crate) fn extract_case_args(item_fn: &mut ItemFn) -> Result<Vec<Pat>, ErrorsVec> {
     let mut extractor = JustOnceFnArgAttributeExtractor::from("case");