diff --git a/lib/hvec_map.h b/lib/hvec_map.h
index 8423d3472d9..2bfbb2b9fa3 100644
--- a/lib/hvec_map.h
+++ b/lib/hvec_map.h
@@ -293,13 +293,6 @@ class hvec_map : hash_vector_base {
     }
 };
 
-// XXX(seth): We use this namespace to hide our get() overloads from ADL. GCC
-// 4.8 has a bug which causes these overloads to be considered when get() is
-// called on a type in the global namespace, even if the number of arguments
-// doesn't match up, which can trigger template instantiations that cause
-// errors.
-namespace GetImpl {
-
 template <class K, class T, class V, class Comp, class Alloc>
 inline V get(const hvec_map<K, V, Comp, Alloc> &m, T key, V def = V()) {
     auto it = m.find(key);
@@ -336,7 +329,4 @@ inline const V *getref(const hvec_map<K, V, Comp, Alloc> *m, T key) {
     return m ? getref(*m, key) : 0;
 }
 
-}  // namespace GetImpl
-using namespace GetImpl;  // NOLINT(build/namespaces)
-
 #endif /* LIB_HVEC_MAP_H_ */
diff --git a/lib/map.h b/lib/map.h
index e9db50bfce5..fcbf2d0a61c 100644
--- a/lib/map.h
+++ b/lib/map.h
@@ -19,13 +19,6 @@ limitations under the License.
 
 #include <map>
 
-// XXX(seth): We use this namespace to hide our get() overloads from ADL. GCC
-// 4.8 has a bug which causes these overloads to be considered when get() is
-// called on a type in the global namespace, even if the number of arguments
-// doesn't match up, which can trigger template instantiations that cause
-// errors.
-namespace GetImpl {
-
 template <class K, class T, class V, class Comp, class Alloc>
 inline V get(const std::map<K, V, Comp, Alloc> &m, T key, V def = V()) {
     auto it = m.find(key);
@@ -62,9 +55,6 @@ inline const V *getref(const std::map<K, V, Comp, Alloc> *m, T key) {
     return m ? getref(*m, key) : 0;
 }
 
-}  // namespace GetImpl
-using namespace GetImpl;  // NOLINT(build/namespaces)
-
 /* iterate over the keys in a map */
 template <class PairIter>
 class IterKeys {
diff --git a/lib/ordered_map.h b/lib/ordered_map.h
index e49e3f86058..1608b852060 100644
--- a/lib/ordered_map.h
+++ b/lib/ordered_map.h
@@ -255,13 +255,6 @@ class ordered_map {
     }
 };
 
-// XXX(seth): We use this namespace to hide our get() overloads from ADL. GCC
-// 4.8 has a bug which causes these overloads to be considered when get() is
-// called on a type in the global namespace, even if the number of arguments
-// doesn't match up, which can trigger template instantiations that cause
-// errors.
-namespace GetImpl {
-
 template <class K, class T, class V, class Comp, class Alloc>
 inline V get(const ordered_map<K, V, Comp, Alloc> &m, T key, V def = V()) {
     auto it = m.find(key);
@@ -298,7 +291,4 @@ inline const V *getref(const ordered_map<K, V, Comp, Alloc> *m, T key) {
     return m ? getref(*m, key) : 0;
 }
 
-}  // namespace GetImpl
-using namespace GetImpl;  // NOLINT(build/namespaces)
-
 #endif /* LIB_ORDERED_MAP_H_ */