diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1029e2dbfa7..85b3a61e89d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -979,6 +979,21 @@ target_compile_definitions(mixxx-lib PUBLIC
   $<$<NOT:$<CONFIG:Debug>>:NDEBUG>
 )
 
+#
+# Installation directories
+#
+set(MIXXX_INSTALL_BINDIR ".")
+set(MIXXX_INSTALL_DATADIR ".")
+set(MIXXX_INSTALL_DOCDIR "./doc")
+set(MIXXX_INSTALL_LICENSEDIR "./doc")
+if (UNIX)
+  include(GNUInstallDirs)
+  set(MIXXX_INSTALL_BINDIR "${CMAKE_INSTALL_BINDIR}")
+  set(MIXXX_INSTALL_DATADIR "${CMAKE_INSTALL_DATADIR}/mixxx")
+  set(MIXXX_INSTALL_DOCDIR "${CMAKE_INSTALL_DOCDIR}/mixxx")
+  set(MIXXX_INSTALL_LICENSEDIR "${CMAKE_INSTALL_DATADIR}/licenses/mixxx")
+endif()
+
 if(WIN32)
   target_compile_definitions(mixxx-lib PRIVATE __WINDOWS__)
 
@@ -1017,9 +1032,7 @@ elseif(UNIX)
   else()
     target_compile_definitions(mixxx-lib PRIVATE __UNIX__)
     target_compile_definitions(
-      mixxx-lib PUBLIC UNIX_SHARE_PATH="${CMAKE_INSTALL_PREFIX}/share/mixxx")
-    target_compile_definitions(
-      mixxx-lib PUBLIC UNIX_LIB_PATH="${CMAKE_INSTALL_PREFIX}/lib/mixxx")
+      mixxx-lib PUBLIC UNIX_SHARE_PATH="${MIXXX_INSTALL_DATADIR}")
     if(CMAKE_SYSTEM_NAME STREQUAL Linux)
       target_compile_definitions(mixxx-lib PUBLIC __LINUX__)
     elseif(CMAKE_SYSTEM_NAME MATCHES "^.*BSD$")
@@ -1036,18 +1049,6 @@ target_link_libraries(mixxx PUBLIC mixxx-lib)
 # Installation and Packaging
 #
 include(InstallRequiredSystemLibraries)
-set(MIXXX_INSTALL_BINDIR ".")
-set(MIXXX_INSTALL_DATADIR ".")
-set(MIXXX_INSTALL_DOCDIR "./doc")
-set(MIXXX_INSTALL_LICENSEDIR "./doc")
-if (UNIX)
-  include(GNUInstallDirs)
-  set(MIXXX_INSTALL_BINDIR "${CMAKE_INSTALL_BINDIR}")
-  set(MIXXX_INSTALL_DATADIR "${CMAKE_INSTALL_DATADIR}/mixxx")
-  set(MIXXX_INSTALL_DOCDIR "${CMAKE_INSTALL_DOCDIR}/mixxx")
-  set(MIXXX_INSTALL_LICENSEDIR "${CMAKE_INSTALL_DATADIR}/licenses/mixxx")
-endif()
-
 install(
   TARGETS
     mixxx
diff --git a/SConscript b/SConscript
index 5b04051cbc6..265043b9566 100644
--- a/SConscript
+++ b/SConscript
@@ -367,8 +367,6 @@ if build.platform_is_linux or build.platform_is_bsd:
                     env.get('SHAREDIR', default='share'))
                 unix_bin_path = os.path.join(install_root,
                     env.get('BINDIR', default='bin'))
-                unix_lib_path = os.path.join(install_root,
-                    env.get('LIBDIR', default='lib'))
 
                 binary = env.Install(unix_bin_path, binary_files)
                 skins = env.Install(os.path.join(unix_share_path, 'mixxx', 'skins'), skin_files)
diff --git a/build/depends.py b/build/depends.py
index 77b15aea5b5..892188cb8a5 100644
--- a/build/depends.py
+++ b/build/depends.py
@@ -1631,8 +1631,6 @@ def configure(self, build, conf):
                 CPPDEFINES=('UNIX_SHARE_PATH', r'\"%s\"' % share_path))
             lib_path = os.path.join(prefix, build.env.get(
                 'LIBDIR', default='lib'), 'mixxx')
-            build.env.Append(
-                CPPDEFINES=('UNIX_LIB_PATH', r'\"%s\"' % lib_path))
 
     def depends(self, build):
         return [SoundTouch, ReplayGain, Ebur128Mit, PortAudio, PortMIDI, Qt, TestHeaders,