diff --git a/slither/detectors/functions/dead_code.py b/slither/detectors/functions/dead_code.py
index 98eb97ff7..7a2c6dbc4 100644
--- a/slither/detectors/functions/dead_code.py
+++ b/slither/detectors/functions/dead_code.py
@@ -71,9 +71,10 @@ def _detect(self) -> List[Output]:
                 continue
             if isinstance(function, FunctionContract) and (
                 function.contract_declarer.is_from_dependency()
+                or function.contract_declarer.is_library
             ):
                 continue
-            # Continue if the functon is not implemented because it means the contract is abstract
+            # Continue if the function is not implemented because it means the contract is abstract
             if not function.is_implemented:
                 continue
             info: DETECTOR_INFO = [function, " is never used and should be removed\n"]