diff --git a/opm/parser/share/keywords/F/FIPNUM b/opm/parser/share/keywords/F/FIPNUM
index 9c1cc1e08..ee6aabb5a 100644
--- a/opm/parser/share/keywords/F/FIPNUM
+++ b/opm/parser/share/keywords/F/FIPNUM
@@ -1 +1 @@
-{"name" : "FIPNUM" , "data" : {"value_type" : "INT" , "default" : 0}}
\ No newline at end of file
+{"name" : "FIPNUM" , "data" : {"value_type" : "INT" }}
\ No newline at end of file
diff --git a/opm/parser/share/keywords/F/FLUXNUM b/opm/parser/share/keywords/F/FLUXNUM
index aec232e5f..6ed2b2a55 100644
--- a/opm/parser/share/keywords/F/FLUXNUM
+++ b/opm/parser/share/keywords/F/FLUXNUM
@@ -1 +1 @@
-{"name" : "FLUXNUM" , "data" : {"value_type" : "INT" , "default" : 0}}
\ No newline at end of file
+{"name" : "FLUXNUM" , "data" : {"value_type" : "INT" }}
\ No newline at end of file
diff --git a/opm/parser/share/keywords/P/PERMY b/opm/parser/share/keywords/P/PERMY
index 3655ce681..798ad70b5 100644
--- a/opm/parser/share/keywords/P/PERMY
+++ b/opm/parser/share/keywords/P/PERMY
@@ -1 +1 @@
-{"name" : "PERMY" , "data" : {"value_type" : "DOUBLE" , "default" : 0 , "dimension" : "Permeability"}}
+{"name" : "PERMY" , "data" : {"value_type" : "DOUBLE" , "dimension" : "Permeability"}}
diff --git a/opm/parser/share/keywords/P/PERMZ b/opm/parser/share/keywords/P/PERMZ
index 67f842c0e..3e160c256 100644
--- a/opm/parser/share/keywords/P/PERMZ
+++ b/opm/parser/share/keywords/P/PERMZ
@@ -1 +1 @@
-{"name" : "PERMZ" , "data" : {"value_type" : "DOUBLE" , "default" : 0 , "dimension" : "Permeability"}}
+{"name" : "PERMZ" , "data" : {"value_type" : "DOUBLE" , "dimension" : "Permeability"}}
diff --git a/opm/parser/share/keywords/P/PORO b/opm/parser/share/keywords/P/PORO
index 568be388e..4e231d5ee 100644
--- a/opm/parser/share/keywords/P/PORO
+++ b/opm/parser/share/keywords/P/PORO
@@ -1 +1 @@
-{"name" : "PORO" , "data" : {"value_type" : "DOUBLE" , "default" : 0 , "dimension":"1"}}
+{"name" : "PORO" , "data" : {"value_type" : "DOUBLE" , "dimension":"1"}}