diff --git a/miniz_zip.c b/miniz_zip.c
index ab18cd4..00928e5 100644
--- a/miniz_zip.c
+++ b/miniz_zip.c
@@ -280,6 +280,7 @@ struct mz_zip_internal_state_tag
 #if defined(DEBUG) || defined(_DEBUG) || defined(NDEBUG)
 static MZ_FORCEINLINE mz_uint mz_zip_array_range_check(const mz_zip_array *pArray, mz_uint index)
 {
+    (void)pArray;
     MZ_ASSERT(index < pArray->m_size);
     return index;
 }
@@ -3213,6 +3214,8 @@ mz_bool mz_zip_writer_add_mem_ex_v2(mz_zip_archive *pZip, const char *pArchive_n
         time(&cur_time);
         mz_zip_time_t_to_dos_time(cur_time, &dos_time, &dos_date);
     }
+#else
+    (void)last_modified;
 #endif /* #ifndef MINIZ_NO_TIME */
 
 	if (!(level_and_flags & MZ_ZIP_FLAG_COMPRESSED_DATA))
@@ -3239,8 +3242,8 @@ mz_bool mz_zip_writer_add_mem_ex_v2(mz_zip_archive *pZip, const char *pArchive_n
     if (!pState->m_zip64)
     {
         /* Bail early if the archive would obviously become too large */
-        if ((pZip->m_archive_size + num_alignment_padding_bytes + MZ_ZIP_LOCAL_DIR_HEADER_SIZE + archive_name_size 
-			+ MZ_ZIP_CENTRAL_DIR_HEADER_SIZE + archive_name_size + comment_size + user_extra_data_len + 
+        if ((pZip->m_archive_size + num_alignment_padding_bytes + MZ_ZIP_LOCAL_DIR_HEADER_SIZE + archive_name_size
+			+ MZ_ZIP_CENTRAL_DIR_HEADER_SIZE + archive_name_size + comment_size + user_extra_data_len +
 			pState->m_central_dir.m_size + MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE + user_extra_data_central_len
 			+ MZ_ZIP_DATA_DESCRIPTER_SIZE32) > 0xFFFFFFFF)
         {
@@ -3498,7 +3501,7 @@ mz_bool mz_zip_writer_add_read_buf_callback(mz_zip_archive *pZip, const char *pA
     if (!pState->m_zip64)
     {
         /* Bail early if the archive would obviously become too large */
-        if ((pZip->m_archive_size + num_alignment_padding_bytes + MZ_ZIP_LOCAL_DIR_HEADER_SIZE + archive_name_size + MZ_ZIP_CENTRAL_DIR_HEADER_SIZE 
+        if ((pZip->m_archive_size + num_alignment_padding_bytes + MZ_ZIP_LOCAL_DIR_HEADER_SIZE + archive_name_size + MZ_ZIP_CENTRAL_DIR_HEADER_SIZE
 			+ archive_name_size + comment_size + user_extra_data_len + pState->m_central_dir.m_size + MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE + 1024
 			+ MZ_ZIP_DATA_DESCRIPTER_SIZE32 + user_extra_data_central_len) > 0xFFFFFFFF)
         {
@@ -3512,6 +3515,8 @@ mz_bool mz_zip_writer_add_read_buf_callback(mz_zip_archive *pZip, const char *pA
     {
         mz_zip_time_t_to_dos_time(*pFile_time, &dos_time, &dos_date);
     }
+#else
+    (void)pFile_time;
 #endif
 
     if (uncomp_size <= 3)