diff --git a/aruco_pose/package.xml b/aruco_pose/package.xml
index 3d0fb50a..f028a81a 100644
--- a/aruco_pose/package.xml
+++ b/aruco_pose/package.xml
@@ -18,7 +18,8 @@
   <depend>tf2</depend>
   <depend>tf2_ros</depend>
   <depend>tf2_geometry_msgs</depend>
-  <depend>opencv3</depend>
+  <!-- FIXME: OpenCV3 is not in Melodic -->
+  <!-- <depend>opencv3</depend> -->
   <depend>cv_bridge</depend>
   <depend>image_transport</depend>
   <depend>message_generation</depend>
diff --git a/clever/package.xml b/clever/package.xml
index e3fc2c40..c8890961 100644
--- a/clever/package.xml
+++ b/clever/package.xml
@@ -33,7 +33,8 @@
   <depend>mavros_extras</depend>
   <depend>cv_camera</depend>
   <depend>cv_bridge</depend>
-  <depend>opencv3</depend>
+  <!-- FIXME: OpenCV3 is not in Melodic -->
+  <!-- <depend>opencv3</depend> -->
   <depend>rosbridge_server</depend>
   <depend>web_video_server</depend>
   <depend>tf2_web_republisher</depend>