diff --git a/opm/input/eclipse/EclipseState/Grid/FieldProps.hpp b/opm/input/eclipse/EclipseState/Grid/FieldProps.hpp
index 26efa8dcc..abd9fe5d7 100644
--- a/opm/input/eclipse/EclipseState/Grid/FieldProps.hpp
+++ b/opm/input/eclipse/EclipseState/Grid/FieldProps.hpp
@@ -509,7 +509,7 @@ public:
     bool operator==(const FieldProps& other) const;
     static bool rst_cmp(const FieldProps& full_arg, const FieldProps& rst_arg);
 
-    const Fieldprops::TranMap& getTran() const
+    const std::unordered_map<std::string,Fieldprops::TranCalculator>& getTran() const
     {
         return tran;
     }
@@ -574,7 +574,7 @@ private:
     std::unordered_map<std::string, Fieldprops::FieldData<int>> int_data;
     std::unordered_map<std::string, Fieldprops::FieldData<double>> double_data;
 
-    Fieldprops::TranMap tran;
+    std::unordered_map<std::string,Fieldprops::TranCalculator> tran;
 };
 
 }
diff --git a/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.hpp b/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.hpp
index d132efa14..33200e643 100644
--- a/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.hpp
+++ b/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.hpp
@@ -31,7 +31,6 @@ class Deck;
 class DeckKeyword;
 namespace Fieldprops {
 class TranCalculator;
-using TranMap = std::unordered_map<std::string, TranCalculator>;
 template<typename T> struct FieldData;
 }
 class FieldProps;
@@ -234,7 +233,7 @@ public:
 
     void apply_numerical_aquifers(const NumericalAquifers& aquifers);
 
-    const Fieldprops::TranMap& getTran() const;
+    const std::unordered_map<std::string,Fieldprops::TranCalculator>& getTran() const;
 
 private:
     /*
diff --git a/opm/input/eclipse/EclipseState/Grid/TranCalculator.hpp b/opm/input/eclipse/EclipseState/Grid/TranCalculator.hpp
index e66911df4..8e8b1861c 100644
--- a/opm/input/eclipse/EclipseState/Grid/TranCalculator.hpp
+++ b/opm/input/eclipse/EclipseState/Grid/TranCalculator.hpp
@@ -117,8 +117,6 @@ private:
     std::vector<TranAction> actions;
 };
 
-using TranMap = std::unordered_map<std::string, TranCalculator>;
-
 } // namespace Fieldprops
 } // end namespace Opm
 #endif // TRAN_CALCULATOR_HPP
diff --git a/src/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.cpp b/src/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.cpp
index e5ed8cc62..84df0aaae 100644
--- a/src/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.cpp
+++ b/src/opm/input/eclipse/EclipseState/Grid/FieldPropsManager.cpp
@@ -154,8 +154,8 @@ void FieldPropsManager::apply_numerical_aquifers(const NumericalAquifers& aquife
     return this->fp->apply_numerical_aquifers(aquifers);
 }
 
-
-const Fieldprops::TranMap& FieldPropsManager::getTran() const
+const std::unordered_map<std::string,Fieldprops::TranCalculator>&
+FieldPropsManager::getTran() const
 {
     return this->fp->getTran();
 }