diff --git a/src/LinearMath/btScalar.h b/src/LinearMath/btScalar.h
index 94ddfd86b..6261922cd 100644
--- a/src/LinearMath/btScalar.h
+++ b/src/LinearMath/btScalar.h
@@ -155,14 +155,6 @@ inline int	btGetVersion()
 #endif	//__CELLOS_LV2__
 #endif
 
-/// older compilers (gcc 3.x) and Sun needs double version of sqrt etc.
-/// exclude Apple Intel (i's assumed to be a Macbook or new Intel Dual Core Processor)
-#if defined (__sun) || defined (__sun__) || defined (__sparc) || (defined (__APPLE__) && ! defined (__i386__))
-//use slow double float precision operation on those platforms
-#ifndef BT_USE_DOUBLE_PRECISION
-#define BT_FORCE_DOUBLE_FUNCTIONS
-#endif
-#endif
 
 ///The btScalar type abstracts floating point numbers, to easily switch between double and single floating point precision.
 #if defined(BT_USE_DOUBLE_PRECISION)