diff --git a/libfixmath/fix16.c b/libfixmath/fix16.c
index f564202..3fef27d 100644
--- a/libfixmath/fix16.c
+++ b/libfixmath/fix16.c
@@ -1,10 +1,11 @@
 #include "fix16.h"
 
 
-
+/* Replaced as defines, these are left here to uncomment for code dependant on the symbols.
 const fix16_t fix16_pi  = 205887;
 const fix16_t fix16_e   = 178145;
 const fix16_t fix16_one = 0x00010000;
+*/
 
 
 
diff --git a/libfixmath/fix16.h b/libfixmath/fix16.h
index 05e4bc3..aacfd8e 100644
--- a/libfixmath/fix16.h
+++ b/libfixmath/fix16.h
@@ -11,11 +11,13 @@ extern "C"
 #define fix16_MAX (fix16_t)0x7FFFFFFF /*!< the maximum value of fix16_t */
 #define fix16_MIN (fix16_t)0x80000000 /*!< the minimum value of fix16_t */
 
+#define fix16_pi  205887     /*!< fix16_t value of pi */
+#define fix16_e   178145     /*!< fix16_t value of e */
+#define fix16_one 0x00010000 /*!< fix16_t value of 1 */
+
 typedef int32_t fix16_t;
 
-extern const fix16_t fix16_pi; /*!< fix16_t value of pi */
-extern const fix16_t fix16_e; /*!< fix16_t value of e */
-extern const fix16_t fix16_one; /*!< fix16_t value of 1 */
+
 
 /*! Coverts a fix16_t to a double and returns the result.
 */