diff --git a/pyodide_lock/spec.py b/pyodide_lock/spec.py
index 542fe1f..e0c7748 100644
--- a/pyodide_lock/spec.py
+++ b/pyodide_lock/spec.py
@@ -28,8 +28,6 @@ class PackageSpec(BaseModel):
     imports: list[str] = []
     depends: list[str] = []
     unvendored_tests: bool = False
-    # This field is deprecated
-    shared_library: bool = False
     model_config = ConfigDict(extra="forbid")
 
 
diff --git a/tests/test_wheel.py b/tests/test_wheel.py
index 265da85..d1526e5 100644
--- a/tests/test_wheel.py
+++ b/tests/test_wheel.py
@@ -117,7 +117,6 @@ def test_self_wheel(example_lock_spec):
         imports=["pyodide_lock"],
         depends=["pydantic"],
         unvendored_tests=False,
-        shared_library=False,
     )
 
     assert example_lock_spec.packages["pyodide-lock"] == expected