diff --git a/opm/simulators/utils/UnsupportedFlowKeywords.hpp b/opm/simulators/utils/UnsupportedFlowKeywords.hpp
index 23591b238..ccfcafa34 100644
--- a/opm/simulators/utils/UnsupportedFlowKeywords.hpp
+++ b/opm/simulators/utils/UnsupportedFlowKeywords.hpp
@@ -96,7 +96,6 @@ const Opm::KeywordValidation::UnsupportedKeywords unsupported_keywords = {
     {"BOUNDARY", {false, std::nullopt}},
     {"BPARA", {false, std::nullopt}},
     {"BPIDIMS", {false, std::nullopt}},
-    {"BRANPROP", {false, std::nullopt}},
     {"BTOBALFA", {false, std::nullopt}},
     {"BTOBALFV", {false, std::nullopt}},
     {"CALTRAC", {false, std::nullopt}},
@@ -344,7 +343,6 @@ const Opm::KeywordValidation::UnsupportedKeywords unsupported_keywords = {
     {"IMPCVD", {false, std::nullopt}},
     {"IMPES", {false, std::nullopt}},
     {"IMPLICIT", {false, std::nullopt}},
-    {"IMPORT", {false, std::nullopt}},
     {"IMPTVD", {false, std::nullopt}},
     {"IMSPCVD", {false, std::nullopt}},
     {"INSPEC", {false, std::nullopt}},
@@ -453,7 +451,6 @@ const Opm::KeywordValidation::UnsupportedKeywords unsupported_keywords = {
     {"NRSOUT", {false, std::nullopt}},
     {"NNEWTF", {false, std::nullopt}},
     {"NOCASC", {false, std::nullopt}},
-    {"NODEPROP", {false, std::nullopt}},
     {"NOGGF", {false, std::nullopt}},
     {"NOINSPEC", {false, std::nullopt}},
     {"NLINEARS", {false, std::nullopt}},
@@ -590,7 +587,6 @@ const Opm::KeywordValidation::UnsupportedKeywords unsupported_keywords = {
     {"PRTRST", {false, std::nullopt}},
     {"RPTRUNSP", {false, std::nullopt}},
     {"RPTSMRY", {false, std::nullopt}},
-    {"RPTSOL", {false, std::nullopt}},
     {"RSCONST", {false, std::nullopt}},
     {"RSCONSTT", {false, std::nullopt}},
     {"RSSPEC", {false, std::nullopt}},