Source

beamer / base / beamerbasefont.sty

Diff from to

File base/beamerbasefont.sty

 \fi
 }
 
-% Some font fixes
-\ifbeamer@sansmath
-  \def\@tempa{cmss}
-  \ifx\mathfamilydefault\@tempa
-%    \IfFileExists{sansmathaccent.sty}
-%      {\DeclareSymbolFont{pureletters}{OT1}{mathkerncmss}{m}{sl}}
-%      {}
-  \fi
-\fi
-
 \DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
 \DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
 \DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}