diff --git a/km3io/_definitions/fitparameters.py b/km3io/_definitions/fitparameters.py
index cc66f9d20f21befcd7e433055deda9253faacf43..974ffd9ab3e87c107071ecf42f995973e862313b 100644
--- a/km3io/_definitions/fitparameters.py
+++ b/km3io/_definitions/fitparameters.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.4
+KM3NeT Data Definitions v1.3.1
 https://git.km3net.de/common/km3net-dataformat
 """
 
diff --git a/km3io/_definitions/reconstruction.py b/km3io/_definitions/reconstruction.py
index 0fe10b9f6955513ceb5685eb2f94c7ed00a2e26b..8d98288d8274bb106989cc97125a900d168a60c3 100644
--- a/km3io/_definitions/reconstruction.py
+++ b/km3io/_definitions/reconstruction.py
@@ -1,13 +1,12 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.4
+KM3NeT Data Definitions v1.3.1
 https://git.km3net.de/common/km3net-dataformat
 """
 
 # reconstruction
 data = {
     "JPP_RECONSTRUCTION_TYPE": 4000,
-    "JMUONFIT": 0,
     "JMUONBEGIN": 0,
     "JMUONPREFIT": 1,
     "JMUONSIMPLEX": 2,
@@ -16,7 +15,6 @@ data = {
     "JMUONSTART": 5,
     "JLINEFIT": 6,
     "JMUONEND": 99,
-    "JSHOWERFIT": 100,
     "JSHOWERBEGIN": 100,
     "JSHOWERPREFIT": 101,
     "JSHOWERPOSITIONFIT": 102,
diff --git a/km3io/_definitions/trigger.py b/km3io/_definitions/trigger.py
index 8f05c2b17cae7acb63c362da47a6b972843d5d74..09ab76bd00d24d1ccf584e4fadc775fcd9226ec5 100644
--- a/km3io/_definitions/trigger.py
+++ b/km3io/_definitions/trigger.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.4
+KM3NeT Data Definitions v1.3.1
 https://git.km3net.de/common/km3net-dataformat
 """
 
diff --git a/km3io/_definitions/w2list_genhen.py b/km3io/_definitions/w2list_genhen.py
index af57538048aed64904ee50d803e30eb63ebcc547..6f3fcec25eab8b026d277371e8fc167ea1162030 100644
--- a/km3io/_definitions/w2list_genhen.py
+++ b/km3io/_definitions/w2list_genhen.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.4
+KM3NeT Data Definitions v1.3.1
 https://git.km3net.de/common/km3net-dataformat
 """
 
diff --git a/km3io/_definitions/w2list_gseagen.py b/km3io/_definitions/w2list_gseagen.py
index ea11cdfeafc2f9415239910f6cdfe6dbc68c8fb1..1971f9e3085384199f3a8e5e1334c030c180fe24 100644
--- a/km3io/_definitions/w2list_gseagen.py
+++ b/km3io/_definitions/w2list_gseagen.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.4
+KM3NeT Data Definitions v1.3.1
 https://git.km3net.de/common/km3net-dataformat
 """