diff --git a/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.hpp b/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.hpp
index b18561d73..35cf9a3d4 100644
--- a/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.hpp
+++ b/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.hpp
@@ -34,7 +34,7 @@ namespace Opm {
 
     class UDQContext{
     public:
-        UDQContext(const UDQParams& params, const UDQFunctionTable& udqft, const SummaryState& summary_state);
+        UDQContext(const UDQFunctionTable& udqft, const SummaryState& summary_state);
         double get(const std::string& key) const;
         bool has_well_var(const std::string& well, const std::string& var) const;
         double get_well_var(const std::string& well, const std::string& var) const;
@@ -45,7 +45,6 @@ namespace Opm {
         std::vector<std::string> wells() const;
         std::vector<std::string> groups() const;
     private:
-        const UDQParams& params;
         const UDQFunctionTable& udqft;
         const SummaryState& summary_state;
         std::unordered_map<std::string, double> values;
diff --git a/src/opm/output/eclipse/Summary.cpp b/src/opm/output/eclipse/Summary.cpp
index b1a40158f..6091a13c9 100644
--- a/src/opm/output/eclipse/Summary.cpp
+++ b/src/opm/output/eclipse/Summary.cpp
@@ -1170,7 +1170,7 @@ void eval_udq(const Schedule& schedule, std::size_t sim_step, SummaryState& st)
 {
     const UDQConfig& udq = schedule.getUDQConfig(sim_step);
     const auto& func_table = udq.function_table();
-    UDQContext context(udq.params(), func_table, st);
+    UDQContext context(func_table, st);
     std::vector<std::string> wells;
     for (const auto& well_name : schedule.wellNames())
         wells.push_back(well_name);
diff --git a/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.cpp b/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.cpp
index 1fd68d864..6485ff80f 100644
--- a/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.cpp
+++ b/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQContext.cpp
@@ -24,8 +24,7 @@
 
 namespace Opm {
 
-    UDQContext::UDQContext(const UDQParams& params_arg, const UDQFunctionTable& udqft_arg, const SummaryState& summary_state_arg) :
-        params(params_arg),
+    UDQContext::UDQContext(const UDQFunctionTable& udqft_arg, const SummaryState& summary_state_arg) :
         udqft(udqft_arg),
         summary_state(summary_state_arg)
     {
diff --git a/tests/parser/UDQTests.cpp b/tests/parser/UDQTests.cpp
index a40ca463d..325fdff71 100644
--- a/tests/parser/UDQTests.cpp
+++ b/tests/parser/UDQTests.cpp
@@ -55,7 +55,7 @@ BOOST_AUTO_TEST_CASE(MIX_SCALAR) {
     UDQParams udqp;
     UDQDefine def_add(udqp, "WU", {"WOPR", "+", "1"});
     SummaryState st;
-    UDQContext context(UDQParams(), udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("P1", "WOPR", 1);
 
@@ -78,7 +78,7 @@ BOOST_AUTO_TEST_CASE(UDQFieldSetTest) {
     UDQDefine def_fxxx(udqp, "FU_SCALAR", {"123"});
     UDQDefine def_fopr(udqp, "FUOPR", {"SUM", "(", "WOPR", ")"});
     SummaryState st;
-    UDQContext context(udqp, udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("P1", "WOPR", 1.0);
     st.update_well_var("P2", "WOPR", 2.0);
@@ -150,7 +150,7 @@ BOOST_AUTO_TEST_CASE(UDQ_GROUP_TEST) {
         UDQFunctionTable udqft(udqp);
         UDQDefine def_fopr(udqp, "FUOPR", {"SUM", "(", "GOPR", ")"});
         SummaryState st;
-        UDQContext context(udqp, udqft, st);
+        UDQContext context(udqft, st);
 
         st.update_group_var("G1", "GOPR", 1.0);
         st.update_group_var("G2", "GOPR", 2.0);
@@ -171,7 +171,7 @@ BOOST_AUTO_TEST_CASE(UDQ_DEFINETEST) {
     {
         UDQDefine def(udqp, "WUBHP", {"WBHP"});
         SummaryState st;
-        UDQContext context(udqp, udqft, st);
+        UDQContext context(udqft, st);
 
         st.update_well_var("W1", "WBHP", 11);
         st.update_well_var("W2", "WBHP", 2);
@@ -185,7 +185,7 @@ BOOST_AUTO_TEST_CASE(UDQ_DEFINETEST) {
     {
         UDQDefine def(udqp, "WUBHP", {"WBHP" , "'P*'"});
         SummaryState st;
-        UDQContext context(udqp, udqft, st);
+        UDQContext context(udqft, st);
 
 
         st.update_well_var("P1", "WBHP", 1);
@@ -202,7 +202,7 @@ BOOST_AUTO_TEST_CASE(UDQ_DEFINETEST) {
     {
         UDQDefine def(udqp, "WUBHP", {"NINT" , "(", "WBHP", ")"});
         SummaryState st;
-        UDQContext context(udqp, udqft, st);
+        UDQContext context(udqft, st);
         st.update_well_var("P1", "WBHP", 4);
         st.update_well_var("P2", "WBHP", 3);
         st.update_well_var("I1", "WBHP", 2);
@@ -440,7 +440,7 @@ BOOST_AUTO_TEST_CASE(UDQ_CONTEXT) {
     SummaryState st;
     UDQFunctionTable func_table;
     UDQParams udqp;
-    UDQContext ctx(udqp, func_table, st);
+    UDQContext ctx(func_table, st);
     BOOST_CHECK_EQUAL(ctx.get("JAN"), 1.0);
 
     BOOST_REQUIRE_THROW(ctx.get("NO_SUCH_KEY"), std::out_of_range);
@@ -847,7 +847,7 @@ BOOST_AUTO_TEST_CASE(UDQ_POW_TEST) {
     UDQDefine def_pow1(udqp, "WU", {"WOPR", "+", "WWPR", "*", "WGOR", "^", "WWIR"});
     UDQDefine def_pow2(udqp, "WU", {"(", "WOPR", "+", "WWPR", ")", "^", "(", "WOPR", "+" , "WGOR", "*", "WWIR", "-", "WOPT", ")"});
     SummaryState st;
-    UDQContext context(udqp, udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("P1", "WOPR", 1);
     st.update_well_var("P1", "WWPR", 2);
@@ -866,7 +866,7 @@ BOOST_AUTO_TEST_CASE(UDQ_CMP_TEST) {
     UDQParams udqp;
     UDQDefine def_cmp(udqp, "WU", {"WOPR", ">", "WWPR", "+", "WGOR", "*", "WWIR"});
     SummaryState st;
-    UDQContext context(udqp, udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("P1", "WOPR",  0);
     st.update_well_var("P1", "WWPR", 10);
@@ -893,7 +893,7 @@ BOOST_AUTO_TEST_CASE(UDQ_SCALAR_SET) {
     UDQParams udqp;
     UDQFunctionTable udqft;
     SummaryState st;
-    UDQContext context(udqp, udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("P1", "WOPR", 1);
     st.update_well_var("P2", "WOPR", 2);
@@ -964,7 +964,7 @@ BOOST_AUTO_TEST_CASE(UDQ_BASIC_MATH_TEST) {
     UDQDefine def_muladd(udqp , "WUX", {"WOPR", "+", "WOPR", "*", "WOPR"});
     UDQDefine def_wuwct(udqp , "WUWCT", {"WWPR", "/", "(", "WOPR", "+", "WWPR", ")"});
     SummaryState st;
-    UDQContext context(udqp, udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("P1", "WOPR", 1);
     st.update_well_var("P2", "WOPR", 2);
@@ -1024,7 +1024,7 @@ BOOST_AUTO_TEST_CASE(DECK_TEST) {
     UDQFunctionTable udqft(udqp);
     UDQDefine def(udqp, "WUOPRL", {"(", "WOPR", "OP1", "-", "150", ")", "*", "0.90"});
     SummaryState st;
-    UDQContext context(udqp, udqft, st);
+    UDQContext context(udqft, st);
 
     st.update_well_var("OP1", "WOPR", 300);
     st.update_well_var("OP2", "WOPR", 3000);
@@ -1057,7 +1057,7 @@ BOOST_AUTO_TEST_CASE(UDQ_PARSE_ERROR) {
         UDQDefine def1(udqp, "WUBHP", tokens, parseContext, errors);
         SummaryState st;
         UDQFunctionTable udqft(udqp);
-        UDQContext context(udqp, udqft, st);
+        UDQContext context(udqft, st);
         st.update_well_var("P1", "WBHP", 1);
 
         auto res = def1.eval(context);
@@ -1081,7 +1081,7 @@ BOOST_AUTO_TEST_CASE(UDQ_TYPE_ERROR) {
 
         SummaryState st;
         UDQFunctionTable udqft(udqp);
-        UDQContext context(udqp, udqft, st);
+        UDQContext context(udqft, st);
         st.update_well_var("P1", "WBHP", 1);
         st.update_well_var("P2", "WBHP", 2);
 
@@ -1230,7 +1230,6 @@ UDQ
 
 
     const auto& input = udq.input();
-    const auto& def = udq.definitions();
     BOOST_CHECK_EQUAL(input.size(), 5);
     BOOST_CHECK_EQUAL(udq.size(), 5);