9 files changed, 0 insertions, 9 deletions
diff --git a/prolog/problems/trees/deletebt_3/common.py b/prolog/problems/trees/deletebt_3/common.py
index 0963d15..98ad95f 100644
--- a/prolog/problems/trees/deletebt_3/common.py
+++ b/prolog/problems/trees/deletebt_3/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 137
-group = 'trees'
 number = 47
 visible = True
 facts = None
diff --git a/prolog/problems/trees/depthbt_2/common.py b/prolog/problems/trees/depthbt_2/common.py
index d8b255d..85dfa27 100644
--- a/prolog/problems/trees/depthbt_2/common.py
+++ b/prolog/problems/trees/depthbt_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 140
-group = 'trees'
 number = 45
 visible = True
 facts = None
diff --git a/prolog/problems/trees/insertbt_3/common.py b/prolog/problems/trees/insertbt_3/common.py
index 1653183..f8ef004 100644
--- a/prolog/problems/trees/insertbt_3/common.py
+++ b/prolog/problems/trees/insertbt_3/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 138
-group = 'trees'
 number = 48
 visible = True
 facts = None
diff --git a/prolog/problems/trees/maxt_2/common.py b/prolog/problems/trees/maxt_2/common.py
index 264f5e2..280cb25 100644
--- a/prolog/problems/trees/maxt_2/common.py
+++ b/prolog/problems/trees/maxt_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 143
-group = 'trees'
 number = 50
 visible = True
 facts = None
diff --git a/prolog/problems/trees/memberbt_2/common.py b/prolog/problems/trees/memberbt_2/common.py
index e983b76..f5e5435 100644
--- a/prolog/problems/trees/memberbt_2/common.py
+++ b/prolog/problems/trees/memberbt_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 135
-group = 'trees'
 number = 42
 visible = True
 facts = None
diff --git a/prolog/problems/trees/membert_2/common.py b/prolog/problems/trees/membert_2/common.py
index 33a966d..c91371e 100644
--- a/prolog/problems/trees/membert_2/common.py
+++ b/prolog/problems/trees/membert_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 142
-group = 'trees'
 number = 49
 visible = True
 facts = None
diff --git a/prolog/problems/trees/mirrorbt_2/common.py b/prolog/problems/trees/mirrorbt_2/common.py
index c10f433..cc271cc 100644
--- a/prolog/problems/trees/mirrorbt_2/common.py
+++ b/prolog/problems/trees/mirrorbt_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 136
-group = 'trees'
 number = 43
 visible = True
 facts = None
diff --git a/prolog/problems/trees/numberbt_2/common.py b/prolog/problems/trees/numberbt_2/common.py
index a7499c2..7df71d8 100644
--- a/prolog/problems/trees/numberbt_2/common.py
+++ b/prolog/problems/trees/numberbt_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 139
-group = 'trees'
 number = 44
 visible = True
 facts = None
diff --git a/prolog/problems/trees/tolistbt_2/common.py b/prolog/problems/trees/tolistbt_2/common.py
index c9765df..e6c8ffd 100644
--- a/prolog/problems/trees/tolistbt_2/common.py
+++ b/prolog/problems/trees/tolistbt_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 141
-group = 'trees'
 number = 46
 visible = True
 facts = None