diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49ae125b..82c1493a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -562,23 +562,9 @@ if(MSVC_IDE)
     file(REMOVE ${PROJECT_BINARY_DIR}/data/dbus-1/services)
 endif()
 
-#### Find socket directories
-set(DBUS_SESSION_SOCKET_DIR "" CACHE STRING "Default directory for session socket")
-if(UNIX)
-    if (CMAKE_CROSSCOMPILING)
-        if (NOT DBUS_SESSION_SOCKET_DIR)
-            message(FATAL_ERROR "cannot autodetect session socket directory "
-                    "when crosscompiling, pass -DDBUS_SESSION_SOCKET_DIR=...")
-        endif()
-    elseif(NOT $ENV{TMPDIR} STREQUAL "")
-        set(DBUS_SESSION_SOCKET_DIR $ENV{TMPDIR})
-    elseif(NOT $ENV{TEMP} STREQUAL "")
-        set(DBUS_SESSION_SOCKET_DIR $ENV{TEMP})
-    elseif(NOT $ENV{TMP} STREQUAL "")
-        set(DBUS_SESSION_SOCKET_DIR $ENV{TMP})
-    else()
-        set(DBUS_SESSION_SOCKET_DIR /tmp)
-    endif()
+set(DBUS_SESSION_SOCKET_DIR "" CACHE STRING "Default directory for session socket on Unix")
+if(UNIX AND NOT DBUS_SESSION_SOCKET_DIR)
+    set(DBUS_SESSION_SOCKET_DIR /tmp)
 endif()
 
  # Not used on Windows, where there is no system bus
diff --git a/meson.build b/meson.build
index 65bb9d0d..451da911 100644
--- a/meson.build
+++ b/meson.build
@@ -1070,19 +1070,11 @@ endif
 data_config.set('SYSCONFDIR_FROM_PKGDATADIR', sysconfdir_from_pkgdatadir)
 data_config.set('DATADIR_FROM_PKGSYSCONFDIR', datadir_from_pkgsysconfdir)
 
-#### Find socket directories
-values = run_command(python, '-c',
-    'import os; [print(os.getenv(e, "")) for e in ["TMPDIR", "TEMP", "TMP"]]',
-    check: true,
-).stdout()
-values += '/tmp'
-default_socket_dir = values.strip().split('\n')[0]
-
 if platform_unix
     session_socket_dir = get_option('session_socket_dir')
 
     if session_socket_dir == ''
-        session_socket_dir = default_socket_dir
+        session_socket_dir = '/tmp'
     endif
 
     config.set_quoted('DBUS_SESSION_SOCKET_DIR', session_socket_dir)