Предупреждения от pdfLatex

Избавился от
```
Package babel Warning: No Cyrillic font encoding has been loaded so far.
(babel)                A font encoding should be declared before babel.
(babel)                Default `T2A' encoding will be loaded  on input line 111
```
```
Package babel Warning: No input encoding specified for Russian language on input line 146.
```
```
Package cmap Warning: fontenc already loaded - some fonts may be unprocessed.
```

Остаётся ещё одно предупреждение:
```
Package caption Warning: Unsupported document class (or package) detected,
(caption)                usage of the caption package is not recommended.
See the caption package documentation for explanation.
```

Есть мысли как решается?