diff --git a/data/politicians/lastnames/2000_MPs.pickle b/data/politicians/lastnames/2000_MPs.pickle
deleted file mode 100644
index 7eb43294454738fe57e9696467a4c4e9f7735506..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2000_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5e67a6f4b0aa6a91eaa1cf7876fdb4197bc00be6977b52a82aa1611c66268fc9
-size 92085
diff --git a/data/politicians/lastnames/2001_MPs.pickle b/data/politicians/lastnames/2001_MPs.pickle
deleted file mode 100644
index 3b90aa6201bfc372792fb6f4de94963c52dfd52e..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2001_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:391991951bc32466e8cfe597fe94abf55600e07c158cf3c10a2f66d82d1d9721
-size 92530
diff --git a/data/politicians/lastnames/2002_MPs.pickle b/data/politicians/lastnames/2002_MPs.pickle
deleted file mode 100644
index b9148843bc910b926528201c8568a00389d8bbd4..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2002_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2039288c16ad798a8db1880b1c2f15733dfa3fe268ea0b062f26e2907d30dc6f
-size 93087
diff --git a/data/politicians/lastnames/2003_MPs.pickle b/data/politicians/lastnames/2003_MPs.pickle
deleted file mode 100644
index 920502bfcc779db4cd8d8236c175d4b3d01bc70c..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2003_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6d491a6f40462ed044ebd63c840463a64b5fcf174340cd1d1257ee5cbab2553d
-size 143815
diff --git a/data/politicians/lastnames/2004_MPs.pickle b/data/politicians/lastnames/2004_MPs.pickle
deleted file mode 100644
index c6f62bb24d4913229d9a65747acfe1ca2143471b..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2004_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2f74d36a7d4a59018b506ed655a5f6f43495d9f1fc38b016e7ebf877f75fc23c
-size 96737
diff --git a/data/politicians/lastnames/2005_MPs.pickle b/data/politicians/lastnames/2005_MPs.pickle
deleted file mode 100644
index fb890ccac4188023f223b91801917869e3537442..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2005_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:58f6ca84d10535e8ca3f513d82c0b17f3bdc973c0eb753d4331299c2e5290409
-size 99435
diff --git a/data/politicians/lastnames/2006_MPs.pickle b/data/politicians/lastnames/2006_MPs.pickle
deleted file mode 100644
index 51e6243d3b339b50c6b1dd779735e6b12342fb49..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2006_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8af08ced741d00efcfaeaf466f7332ca296f12ff7232ca6cf7563b63eec42ae5
-size 100879
diff --git a/data/politicians/lastnames/2007_MPs.pickle b/data/politicians/lastnames/2007_MPs.pickle
deleted file mode 100644
index c7bf071432bf6b6806525fc2d9e0e65f4bef2389..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2007_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c7534901e68a3df05525d1ec81856f25f9faacd1c1d939a0cf739e7a35e444ef
-size 154966
diff --git a/data/politicians/lastnames/2008_MPs.pickle b/data/politicians/lastnames/2008_MPs.pickle
deleted file mode 100644
index d6a4d6ec7f2069456b18026cbd2a1dc972b219e9..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2008_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c47537fcdba25aa98220bac63638f482f087ec1db70642af0678dcd108f85267
-size 101776
diff --git a/data/politicians/lastnames/2009_MPs.pickle b/data/politicians/lastnames/2009_MPs.pickle
deleted file mode 100644
index 2d2b6f5dbd746b938861a033ded07d44ca205c57..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2009_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:24f1761531f84c096534a055b92e5529d01ccd522652858b109a13e729aa0ae7
-size 102618
diff --git a/data/politicians/lastnames/2010_MPs.pickle b/data/politicians/lastnames/2010_MPs.pickle
deleted file mode 100644
index 37ed6de96bf8e393cb00fa4abaa9c16048a78147..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2010_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1c7af768ff0f10d1039cb796c783a8b60d4f93588acf945a698b93cca3ca403e
-size 105943
diff --git a/data/politicians/lastnames/2011_MPs.pickle b/data/politicians/lastnames/2011_MPs.pickle
deleted file mode 100644
index a8fbb70bd715bdbb237f31d5c984b1f48f3b6c84..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2011_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7791b30715195ee10e0319a7e000f6ae633f1671420b9f113128ff4e6e500a35
-size 158799
diff --git a/data/politicians/lastnames/2012_MPs.pickle b/data/politicians/lastnames/2012_MPs.pickle
deleted file mode 100644
index cae968e52b057a51fc48d709ebbcad0c95158ef0..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2012_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b7397655966e987ec1b5635dbb923a918abfce4d374a427a372602e2432be8e0
-size 100558
diff --git a/data/politicians/lastnames/2013_MPs.pickle b/data/politicians/lastnames/2013_MPs.pickle
deleted file mode 100644
index 840eeb66f501099f9eaac0a9293b61071073dd87..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2013_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4866521373bb470ed6979a3ef36480e373528f1c31b5849f079120ffe54ce4da
-size 103148
diff --git a/data/politicians/lastnames/2014_MPs.pickle b/data/politicians/lastnames/2014_MPs.pickle
deleted file mode 100644
index 4798caf9e5c1a89d28329fe4312e6f94a3ba8518..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2014_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c9798dc498ffb98c3c579c0f91b801cd0b7a1cd9012471e38fdeb3a3ca8d6fe4
-size 103457
diff --git a/data/politicians/lastnames/2015_MPs.pickle b/data/politicians/lastnames/2015_MPs.pickle
deleted file mode 100644
index b29b99c45045420860d5cefba05644ea914d9ee9..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2015_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0f19667ba82ea0a2c960b95a685ab1224a6175cf2d27c8bd51544986cd1a33e3
-size 105350
diff --git a/data/politicians/lastnames/2016_MPs.pickle b/data/politicians/lastnames/2016_MPs.pickle
deleted file mode 100644
index 26047cfd963ea7cb0c89efb920f3126fc4f583f2..0000000000000000000000000000000000000000
--- a/data/politicians/lastnames/2016_MPs.pickle
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bb14032b6d13e247c64e87f5d30af320708e6c9507268d8b8877404ea737e57c
-size 9936