diff --git a/CMakeLists.txt b/CMakeLists.txt
index b47f6d68..adcb91aa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,6 +99,16 @@ if(YARP_VERSION_SHORT VERSION_LESS 2.3.70)
     include(YarpInstallationHelpers)
 endif()
 
+# Find SDL and ZBar.
+find_package(SDL2 REQUIRED)
+find_package(SDL2_mixer REQUIRED)
+find_package(SDL2_image REQUIRED)
+find_package(SDL2_ttf REQUIRED)
+find_package(ZBar REQUIRED)
+
+# Find googletest sources (for unit testing).
+find_package(GTestSources 1.6.0 QUIET)
+
 # Configure installation paths for YARP resources.
 yarp_configure_external_installation(rd)
 
diff --git a/src/libraries/ImageLib/CMakeLists.txt b/src/libraries/ImageLib/CMakeLists.txt
index 7fd3f47c..464dca47 100644
--- a/src/libraries/ImageLib/CMakeLists.txt
+++ b/src/libraries/ImageLib/CMakeLists.txt
@@ -2,8 +2,6 @@
 # CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
 # URL: https://github.com/asrob-uc3m/robotDevastation
 
-find_package(ZBar REQUIRED)
-
 add_library(ImageLib ImageEventListener.hpp
                      ImageManager.hpp
                      ImageManager.cpp
diff --git a/src/libraries/InputLib/CMakeLists.txt b/src/libraries/InputLib/CMakeLists.txt
index eba8532b..a07d6378 100644
--- a/src/libraries/InputLib/CMakeLists.txt
+++ b/src/libraries/InputLib/CMakeLists.txt
@@ -2,8 +2,6 @@
 # CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
 # URL: https://github.com/asrob-uc3m/robotDevastation
 
-find_package(SDL2 REQUIRED)
-
 add_library(InputLib InputEventListener.hpp
                      InputManager.hpp
                      InputManager.cpp
diff --git a/src/libraries/MusicLib/CMakeLists.txt b/src/libraries/MusicLib/CMakeLists.txt
index 1971c502..0d46a20a 100644
--- a/src/libraries/MusicLib/CMakeLists.txt
+++ b/src/libraries/MusicLib/CMakeLists.txt
@@ -2,9 +2,6 @@
 # CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
 # URL: https://github.com/asrob-uc3m/robotDevastation
 
-find_package(SDL2 REQUIRED)
-find_package(SDL2_mixer REQUIRED)
-
 add_library(MusicLib AudioManager.hpp
                      AudioManager.cpp
                      MockAudioManager.hpp
diff --git a/src/libraries/UserInterfaceLib/CMakeLists.txt b/src/libraries/UserInterfaceLib/CMakeLists.txt
index fd3ebf52..f731d440 100644
--- a/src/libraries/UserInterfaceLib/CMakeLists.txt
+++ b/src/libraries/UserInterfaceLib/CMakeLists.txt
@@ -2,10 +2,6 @@
 # CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
 # URL: https://github.com/asrob-uc3m/robotDevastation
 
-find_package(SDL2 REQUIRED)
-find_package(SDL2_image REQUIRED)
-find_package(SDL2_ttf REQUIRED)
-
 add_library(UserInterfaceLib DeadScreen.hpp
                              DeadScreen.cpp
                              GameScreen.hpp
diff --git a/src/libraries/UtilsLib/CMakeLists.txt b/src/libraries/UtilsLib/CMakeLists.txt
index 20a9f349..3ed3e7d7 100644
--- a/src/libraries/UtilsLib/CMakeLists.txt
+++ b/src/libraries/UtilsLib/CMakeLists.txt
@@ -2,10 +2,6 @@
 # CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
 # URL: https://github.com/asrob-uc3m/robotDevastation
 
-find_package(SDL2 REQUIRED)
-find_package(SDL2_image REQUIRED)
-find_package(SDL2_ttf REQUIRED)
-
 add_library(UtilsLib Hub.hpp
                      Hub.cpp
                      SDLUtils.hpp
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index feabbfcc..4bc37d0a 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -2,8 +2,6 @@
 # CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
 # URL: https://github.com/asrob-uc3m/robotDevastation
 
-find_package(GTestSources 1.6.0 QUIET)
-
 if(NOT GTestSources_FOUND AND (NOT DEFINED ENABLE_tests OR ENABLE_tests))
     message(WARNING "GTestSources package not found, disabling tests")
 endif()
@@ -16,10 +14,6 @@ if(ENABLE_tests)
 set(gtest_force_shared_crt ON CACHE INTERNAL "") # needed for Windows
 add_subdirectory(${GTestSources_SOURCE_DIR} ${CMAKE_BINARY_DIR}/gtest)
 
-find_package(SDL2 REQUIRED)
-find_package(SDL2_image REQUIRED)
-find_package(SDL2_ttf REQUIRED)
-
 include_directories(${GTestSources_INCLUDE_DIR})
 
 if(WIN32)