diff --git a/talos-data/Makefile b/talos-data/Makefile
index c8c5938e298c056737c0389941bac6eace0b158c..0f025738e39faad18d7f27e87aae041142732a55 100644
--- a/talos-data/Makefile
+++ b/talos-data/Makefile
@@ -1,10 +1,9 @@
 # robotpkg Makefile for:	wip/talos-data
 # Created:			Olivier Stasse, on Tue. 9th May, 2017
 #
-VERSION=	0.0.19
+VERSION=	0.0.20
 PKGNAME=	talos-data-${VERSION}
 DISTNAME=	$(subst -,_,${PKGBASE})-${VERSION}
-PKGREVISION=	1
 
 MASTER_SITES=	${MASTER_SITE_OPENROBOTS:=talos/talos_data/}	
 MASTER_REPOSITORY=	https://redmine.laas.fr/laas/users/
diff --git a/talos-data/distinfo b/talos-data/distinfo
index d702ebe22926ac7d27c6033655180b39b850772a..b6074c80d5d642945ac133dbccc934bf0d9710cd 100644
--- a/talos-data/distinfo
+++ b/talos-data/distinfo
@@ -1,4 +1,3 @@
-SHA1 (talos_data-0.0.19.tar.gz) = 17439b6a1730f1dd5b6efc4773539b897da434ec
-RMD160 (talos_data-0.0.19.tar.gz) = da0fedb3336ea1c3e68d7ae90964e52503610e93
-Size (talos_data-0.0.19.tar.gz) = 8773911 bytes
-SHA1 (patch-aa) = deeeeb585f8ed87d0bce8486ac8a69dfa2e570b6
+SHA1 (talos_data-0.0.20.tar.gz) = 9ab692837c02c2d5978c2118c3a6e89b601c0d13
+RMD160 (talos_data-0.0.20.tar.gz) = c71e021aadac9aad0ca7eaf8ac3490299ce8a3fb
+Size (talos_data-0.0.20.tar.gz) = 8780610 bytes
diff --git a/talos-data/patches/patch-aa b/talos-data/patches/patch-aa
deleted file mode 100644
index f2e3d92226f249416d4c206d60d8689ffb441ec7..0000000000000000000000000000000000000000
--- a/talos-data/patches/patch-aa
+++ /dev/null
@@ -1,56 +0,0 @@
---- urdf/talos_reduced_v2.urdf
-+++ urdf/talos_reduced_v2.urdf
-@@ -1349,7 +1349,7 @@
-       </geometry>
-     </collision>
-   </link>
--  <joint name="gripper_left_inner_double_joint" type="revolute">
-+  <joint name="gripper_left_inner_double_joint" type="fixed">
-     <parent link="gripper_left_base_link"/>
-     <child link="gripper_left_inner_double_link"/>
-     <origin rpy="0.0 0.0 0.0" xyz="0.00000 0.00525 -0.05598"/>
-@@ -1433,7 +1433,7 @@
-       </geometry>
-     </collision>
-   </link>
--  <joint name="gripper_left_motor_single_joint" type="revolute">
-+  <joint name="gripper_left_motor_single_joint" type="fixed">
-     <parent link="gripper_left_base_link"/>
-     <child link="gripper_left_motor_single_link"/>
-     <origin rpy="0.0 0.0 0.0" xyz="0.00000 -0.02025 -0.03000"/>
-@@ -1461,7 +1461,7 @@
-       </geometry>
-     </collision>
-   </link>
--  <joint name="gripper_left_inner_single_joint" type="revolute">
-+  <joint name="gripper_left_inner_single_joint" type="fixed">
-     <parent link="gripper_left_base_link"/>
-     <child link="gripper_left_inner_single_link"/>
-     <origin rpy="0.0 0.0 0.0" xyz="0.00000 -0.00525 -0.05598"/>
-@@ -1702,7 +1702,7 @@
-       </geometry>
-     </collision>
-   </link>
--  <joint name="gripper_right_inner_double_joint" type="revolute">
-+  <joint name="gripper_right_inner_double_joint" type="fixed">
-     <parent link="gripper_right_base_link"/>
-     <child link="gripper_right_inner_double_link"/>
-     <origin rpy="0.0 0.0 0.0" xyz="0.00000 0.00525 -0.05598"/>
-@@ -1786,7 +1786,7 @@
-       </geometry>
-     </collision>
-   </link>
--  <joint name="gripper_right_motor_single_joint" type="revolute">
-+  <joint name="gripper_right_motor_single_joint" type="fixed">
-     <parent link="gripper_right_base_link"/>
-     <child link="gripper_right_motor_single_link"/>
-     <origin rpy="0.0 0.0 0.0" xyz="0.00000 -0.02025 -0.03000"/>
-@@ -1814,7 +1814,7 @@
-       </geometry>
-     </collision>
-   </link>
--  <joint name="gripper_right_inner_single_joint" type="revolute">
-+  <joint name="gripper_right_inner_single_joint" type="fixed">
-     <parent link="gripper_right_base_link"/>
-     <child link="gripper_right_inner_single_link"/>
-     <origin rpy="0.0 0.0 0.0" xyz="0.00000 -0.00525 -0.05598"/>