diff --git a/cartographer_ros/CMakeLists.txt b/cartographer_ros/CMakeLists.txt
index 97f066e..434f59d 100644
--- a/cartographer_ros/CMakeLists.txt
+++ b/cartographer_ros/CMakeLists.txt
@@ -43,7 +43,6 @@ catkin_package(
 
 find_package(PCL REQUIRED COMPONENTS common io)
 find_package(Eigen3 REQUIRED)
-find_package(ZLIB REQUIRED)
 find_package(Boost REQUIRED COMPONENTS system iostreams)
 
 add_subdirectory("cartographer_ros")
diff --git a/cartographer_rviz/CMakeLists.txt b/cartographer_rviz/CMakeLists.txt
index bd6e2e1..5c3057e 100644
--- a/cartographer_rviz/CMakeLists.txt
+++ b/cartographer_rviz/CMakeLists.txt
@@ -29,7 +29,6 @@ google_initialize_cartographer_project()
 
 find_package(Boost REQUIRED COMPONENTS system iostreams)
 find_package(catkin REQUIRED COMPONENTS ${PACKAGE_DEPENDENCIES})
-find_package(ZLIB REQUIRED)
 
 catkin_package(
   CATKIN_DEPENDS