diff --git a/src/Collections/List.hpp b/src/Collections/List.hpp
index d20ee37..4aefcdc 100644
--- a/src/Collections/List.hpp
+++ b/src/Collections/List.hpp
@@ -36,7 +36,7 @@ namespace ArbUt {
 
         inline const const_reference& At(size_t index) const {
 #ifndef NO_ASSERT
-            if (index >= _vector.size() || index < 0) {
+            if (index >= _vector.size()) {
                 std::stringstream ss;
                 ss << "Index " << index << " is out of bounds.";
                 throw ArbUt::Exception(ss.str());
@@ -47,7 +47,7 @@ namespace ArbUt {
 
         inline const const_reference& Set(size_t index, const ValueT& value) {
 #ifndef NO_ASSERT
-            if (index >= _vector.size() || index < 0) {
+            if (index >= _vector.size()) {
                 std::stringstream ss;
                 ss << "Index " << index << " is out of bounds.";
                 throw ArbUt::Exception(ss.str());