diff --git a/include/asm/fixpoint.hpp b/include/asm/fixpoint.hpp
index 5fbd9085..4dc99618 100644
--- a/include/asm/fixpoint.hpp
+++ b/include/asm/fixpoint.hpp
@@ -8,7 +8,6 @@
 extern uint8_t fixPrecision;
 
 uint8_t fix_Precision();
-double fix_PrecisionFactor();
 int32_t fix_Sin(int32_t i, int32_t q);
 int32_t fix_Cos(int32_t i, int32_t q);
 int32_t fix_Tan(int32_t i, int32_t q);
diff --git a/src/asm/fixpoint.cpp b/src/asm/fixpoint.cpp
index d34a03a8..152a4118 100644
--- a/src/asm/fixpoint.cpp
+++ b/src/asm/fixpoint.cpp
@@ -16,10 +16,6 @@ uint8_t fix_Precision() {
 	return fixPrecision;
 }
 
-double fix_PrecisionFactor() {
-	return pow(2.0, fixPrecision);
-}
-
 static double fix2double(int32_t i, int32_t q) {
 	return i / pow(2.0, q);
 }