diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp
index 836b58d52..dc5ca4d1d 100644
--- a/src/common/file_util.cpp
+++ b/src/common/file_util.cpp
@@ -264,83 +264,6 @@ bool Rename(const std::string &srcFilename, const std::string &destFilename)
     return false;
 }
 
-// copies file srcFilename to destFilename, returns true on success
-bool Copy(const std::string &srcFilename, const std::string &destFilename)
-{
-    LOG_TRACE(Common_Filesystem, "%s --> %s",
-            srcFilename.c_str(), destFilename.c_str());
-#ifdef _WIN32
-    if (CopyFile(Common::UTF8ToTStr(srcFilename).c_str(), Common::UTF8ToTStr(destFilename).c_str(), FALSE))
-        return true;
-
-    LOG_ERROR(Common_Filesystem, "failed %s --> %s: %s",
-            srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
-    return false;
-#else
-
-    // buffer size
-#define BSIZE 1024
-
-    char buffer[BSIZE];
-
-    // Open input file
-    FILE *input = fopen(srcFilename.c_str(), "rb");
-    if (!input)
-    {
-        LOG_ERROR(Common_Filesystem, "opening input failed %s --> %s: %s",
-                srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
-        return false;
-    }
-
-    // open output file
-    FILE *output = fopen(destFilename.c_str(), "wb");
-    if (!output)
-    {
-        fclose(input);
-        LOG_ERROR(Common_Filesystem, "opening output failed %s --> %s: %s",
-                srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
-        return false;
-    }
-
-    // copy loop
-    while (!feof(input))
-    {
-        // read input
-        int rnum = fread(buffer, sizeof(char), BSIZE, input);
-        if (rnum != BSIZE)
-        {
-            if (ferror(input) != 0)
-            {
-                LOG_ERROR(Common_Filesystem,
-                        "failed reading from source, %s --> %s: %s",
-                        srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
-                goto bail;
-            }
-        }
-
-        // write output
-        int wnum = fwrite(buffer, sizeof(char), rnum, output);
-        if (wnum != rnum)
-        {
-            LOG_ERROR(Common_Filesystem,
-                    "failed writing to output, %s --> %s: %s",
-                    srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
-            goto bail;
-        }
-    }
-    // close files
-    fclose(input);
-    fclose(output);
-    return true;
-bail:
-    if (input)
-        fclose(input);
-    if (output)
-        fclose(output);
-    return false;
-#endif
-}
-
 // Returns the size of filename (64bit)
 u64 GetSize(const std::string &filename)
 {
@@ -564,43 +487,6 @@ bool DeleteDirRecursively(const std::string &directory)
     return true;
 }
 
-// Create directory and copy contents (does not overwrite existing files)
-void CopyDir(const std::string &source_path, const std::string &dest_path)
-{
-#ifndef _WIN32
-    if (source_path == dest_path) return;
-    if (!FileUtil::Exists(source_path)) return;
-    if (!FileUtil::Exists(dest_path)) FileUtil::CreateFullPath(dest_path);
-
-    struct dirent dirent, *result = nullptr;
-    DIR *dirp = opendir(source_path.c_str());
-    if (!dirp) return;
-
-    while (!readdir_r(dirp, &dirent, &result) && result)
-    {
-        const std::string virtualName(result->d_name);
-        // check for "." and ".."
-        if (((virtualName[0] == '.') && (virtualName[1] == '\0')) ||
-            ((virtualName[0] == '.') && (virtualName[1] == '.') &&
-            (virtualName[2] == '\0')))
-            continue;
-
-        std::string source, dest;
-        source = source_path + virtualName;
-        dest = dest_path + virtualName;
-        if (IsDirectory(source))
-        {
-            source += '/';
-            dest += '/';
-            if (!FileUtil::Exists(dest)) FileUtil::CreateFullPath(dest);
-            CopyDir(source, dest);
-        }
-        else if (!FileUtil::Exists(dest)) FileUtil::Copy(source, dest);
-    }
-    closedir(dirp);
-#endif
-}
-
 // Returns the current directory
 std::string GetCurrentDir()
 {
diff --git a/src/common/file_util.h b/src/common/file_util.h
index 8fe772aee..c0121b480 100644
--- a/src/common/file_util.h
+++ b/src/common/file_util.h
@@ -90,9 +90,6 @@ bool DeleteDir(const std::string &filename);
 // renames file srcFilename to destFilename, returns true on success
 bool Rename(const std::string &srcFilename, const std::string &destFilename);
 
-// copies file srcFilename to destFilename, returns true on success
-bool Copy(const std::string &srcFilename, const std::string &destFilename);
-
 // creates an empty file filename, returns true on success
 bool CreateEmptyFile(const std::string &filename);
 
@@ -106,9 +103,6 @@ bool DeleteDirRecursively(const std::string &directory);
 // Returns the current directory
 std::string GetCurrentDir();
 
-// Create directory and copy contents (does not overwrite existing files)
-void CopyDir(const std::string &source_path, const std::string &dest_path);
-
 // Set the current directory to given directory
 bool SetCurrentDir(const std::string &directory);
 
@@ -116,9 +110,6 @@ bool SetCurrentDir(const std::string &directory);
 // directory. To be used in "multi-user" mode (that is, installed).
 const std::string& GetUserPath(const unsigned int DirIDX, const std::string &newPath="");
 
-// probably doesn't belong here
-//std::string GetThemeDir(const std::string& theme_name);
-
 // Returns the path to where the sys file are
 std::string GetSysDirectory();