6 files changed, 0 insertions, 6 deletions
diff --git a/prolog/problems/sorting/is_sorted_1/common.py b/prolog/problems/sorting/is_sorted_1/common.py
index 4bb3fa9..8feb549 100644
--- a/prolog/problems/sorting/is_sorted_1/common.py
+++ b/prolog/problems/sorting/is_sorted_1/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 121
-group = 'sorting'
 number = 28
 visible = True
 facts = None
diff --git a/prolog/problems/sorting/isort_2/common.py b/prolog/problems/sorting/isort_2/common.py
index 94f5f42..f2c4244 100644
--- a/prolog/problems/sorting/isort_2/common.py
+++ b/prolog/problems/sorting/isort_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 123
-group = 'sorting'
 number = 30
 visible = True
 facts = None
diff --git a/prolog/problems/sorting/pivoting_4/common.py b/prolog/problems/sorting/pivoting_4/common.py
index a8ff2f4..dd1a1a9 100644
--- a/prolog/problems/sorting/pivoting_4/common.py
+++ b/prolog/problems/sorting/pivoting_4/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 124
-group = 'sorting'
 number = 31
 visible = True
 facts = None
diff --git a/prolog/problems/sorting/quick_sort_2/common.py b/prolog/problems/sorting/quick_sort_2/common.py
index 9c2b261..4afc8fa 100644
--- a/prolog/problems/sorting/quick_sort_2/common.py
+++ b/prolog/problems/sorting/quick_sort_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 125
-group = 'sorting'
 number = 32
 visible = True
 facts = None
diff --git a/prolog/problems/sorting/sins_3/common.py b/prolog/problems/sorting/sins_3/common.py
index ba50e65..ab592ea 100644
--- a/prolog/problems/sorting/sins_3/common.py
+++ b/prolog/problems/sorting/sins_3/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 122
-group = 'sorting'
 number = 29
 visible = True
 facts = None
diff --git a/prolog/problems/sorting/slowest_sort_ever_2/common.py b/prolog/problems/sorting/slowest_sort_ever_2/common.py
index 267f06a..fc8f980 100644
--- a/prolog/problems/sorting/slowest_sort_ever_2/common.py
+++ b/prolog/problems/sorting/slowest_sort_ever_2/common.py
@@ -1,7 +1,6 @@
 # coding=utf-8
 
 id = 126
-group = 'sorting'
 number = 33
 visible = True
 facts = None