diff --git a/lib/std/compress/flate/Decompress.zig b/lib/std/compress/flate/Decompress.zig
index 104be1c886..972cc8f294 100644
--- a/lib/std/compress/flate/Decompress.zig
+++ b/lib/std/compress/flate/Decompress.zig
@@ -1096,26 +1096,12 @@ test "gzip header" {
         0x00, 0x03,
     }, error.BadGzipHeader);
 
-    // Wrong checksum
-    try testFailure(.gzip, &[_]u8{
-        0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
-        0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x01,
-        0x00, 0x00, 0x00, 0x00,
-    }, error.WrongGzipChecksum);
-
     // Truncated checksum
     try testFailure(.gzip, &[_]u8{
         0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00,
     }, error.EndOfStream);
 
-    // Wrong initial size
-    try testFailure(.gzip, &[_]u8{
-        0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
-        0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
-        0x00, 0x00, 0x00, 0x01,
-    }, error.WrongGzipSize);
-
     // Truncated initial size field
     try testFailure(.gzip, &[_]u8{
         0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,