diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 635a5499d..a4a5920d8 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,5 +1,5 @@
 if(ERT_HAVE_GETUID AND ERT_HAVE_OPENDIR)
-  list(APPEND opt_srcs util/test_work_area.cpp util/util_getuid.cpp)
+  list(APPEND opt_srcs util/test_work_area.cpp)
 endif()
 
 if(ERT_HAVE_OPENDIR)
diff --git a/lib/include/ert/util/util.hpp b/lib/include/ert/util/util.hpp
index d5281ae16..ef04aae4a 100644
--- a/lib/include/ert/util/util.hpp
+++ b/lib/include/ert/util/util.hpp
@@ -109,7 +109,6 @@ void util_make_path(const char *);
 double util_file_difftime(const char *, const char *);
 size_t util_file_size(const char *);
 size_t util_fd_size(int fd);
-void util_clear_directory(const char *path, bool strict_uid, bool unlink_root);
 void util_strupr(char *);
 bool util_string_equal(const char *s1, const char *s2);
 char *util_alloc_strupr_copy(const char *);
diff --git a/lib/util/test_work_area.cpp b/lib/util/test_work_area.cpp
index 7e9028831..dd3459a9c 100644
--- a/lib/util/test_work_area.cpp
+++ b/lib/util/test_work_area.cpp
@@ -7,12 +7,12 @@
 #include <paths.h>
 #endif
 
-#include <ert/util/ert_api_config.hpp>
-
 #include <cstdlib>
 #include <cstdio>
 #include <cstring>
 
+#include <filesystem>
+
 #include <ert/util/util.hpp>
 #include <ert/util/test_work_area.hpp>
 
@@ -188,7 +188,7 @@ TestArea::TestArea(const std::string &test_name, bool store_area)
 
 TestArea::~TestArea() {
     if (!this->store)
-        util_clear_directory(this->cwd.c_str(), true, true);
+        std::filesystem::remove_all(this->cwd);
 
     util_chdir(this->org_cwd.c_str());
 }
diff --git a/lib/util/util_getuid.cpp b/lib/util/util_getuid.cpp
deleted file mode 100644
index bfbb61e69..000000000
--- a/lib/util/util_getuid.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-#include <cstdlib>
-#include <cstring>
-
-#include <ert/util/util.hpp>
-
-#include <dirent.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-/**
-   Only removes the last component in path.
-*/
-void static util_clear_directory__(const char *path, bool strict_uid,
-                                   bool unlink_root) {
-    if (util_is_directory(path)) {
-        DIR *dirH = opendir(path);
-
-        if (dirH != NULL) {
-            const uid_t uid = getuid();
-            struct dirent *dentry;
-
-            while ((dentry = readdir(dirH)) != NULL) {
-                stat_type buffer;
-                mode_t mode;
-                const char *entry_name = dentry->d_name;
-                if ((strcmp(entry_name, ".") != 0) &&
-                    (strcmp(entry_name, "..") != 0)) {
-                    char *full_path =
-                        util_alloc_filename(path, entry_name, NULL);
-
-                    if (lstat(full_path, &buffer) == 0) {
-                        mode = buffer.st_mode;
-
-                        if (S_ISDIR(mode))
-                            /*
-                Recursively descending into sub directory.
-              */
-                            util_clear_directory__(full_path, strict_uid, true);
-                        else if (S_ISLNK(mode))
-                            /*
-                Symbolic links are unconditionally removed.
-              */
-                            unlink(full_path);
-                        else if (S_ISREG(mode)) {
-                            /*
-                 It is a regular file - we remove it (if we own it!).
-              */
-                            if ((!strict_uid) || (buffer.st_uid == uid)) {
-                                int unlink_return = unlink(full_path);
-                                if (unlink_return != 0) {
-                                    /* Unlink failed */
-                                }
-                            }
-                        }
-                    }
-                    free(full_path);
-                }
-            }
-        }
-        closedir(dirH);
-
-        /* Finish with clearing the root directory */
-        if (unlink_root) {
-            int rmdir_return = rmdir(path);
-            if (rmdir_return != 0) {
-                /* Unlink failed */
-            }
-        }
-    }
-}
-
-/**
-   This function will clear away all the contents (including
-   subdirectories) in the directory @path.
-
-   If the parameter @strict_uid is set to true, the function will only
-   attempt to remove entries where the calling uid is also the owner
-   of the entry.
-
-   If the parameter @unlink_root is true the directory @path will also
-   be removed, otherwise it will be left as an empty directory.
-
-   The function will just go about deleting as much as it can; errors
-   are not signalled in any way!
-
-   The function is in util_getuid() because uid_t and getuid() are so
-   important elements of the function.
-*/
-
-void util_clear_directory(const char *path, bool strict_uid, bool unlink_root) {
-    util_clear_directory__(path, strict_uid, unlink_root);
-}