diff --git a/programs/fileio.c b/programs/fileio.c
index f5ecf729..5492f944 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -1367,9 +1367,6 @@ int FIO_compressFilename(FIO_prefs_t* const prefs,
                          const char* dictFileName, int compressionLevel,
                          ZSTD_compressionParameters comprParams)
 {
-    U64 const fileSize = UTIL_getFileSize(srcFileName);
-    U64 const srcSize = (fileSize == UTIL_FILESIZE_UNKNOWN) ? ZSTD_CONTENTSIZE_UNKNOWN : fileSize;
-
     cRess_t const ress = FIO_createCResources(prefs, dictFileName, compressionLevel, comprParams);
     int const result = FIO_compressFilename_srcFile(prefs, ress, dstFileName, srcFileName, compressionLevel);
 
@@ -1421,8 +1418,6 @@ int FIO_compressMultipleFilenames(FIO_prefs_t* const prefs,
                                   ZSTD_compressionParameters comprParams)
 {
     int error = 0;
-    U64 const firstFileSize = UTIL_getFileSize(inFileNamesTable[0]);
-    U64 const firstSrcSize = (firstFileSize == UTIL_FILESIZE_UNKNOWN) ? ZSTD_CONTENTSIZE_UNKNOWN : firstFileSize;
     cRess_t ress = FIO_createCResources(prefs, dictFileName, compressionLevel, comprParams);
 
     /* init */