diff --git a/poincare/include/poincare/constant.h b/poincare/include/poincare/constant.h
index 9ce7ab4fa..591ca7e2d 100644
--- a/poincare/include/poincare/constant.h
+++ b/poincare/include/poincare/constant.h
@@ -33,8 +33,8 @@ public:
   Layout createLayout(Preferences::PrintFloatMode floatDisplayMode, int numberOfSignificantDigits) const override;
 
   /* Approximation */
-  Evaluation<float> approximate(SinglePrecision p, Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const override { return templatedApproximate<float>(context, complexFormat, angleUnit); }
-  Evaluation<double> approximate(DoublePrecision p, Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const override { return templatedApproximate<double>(context, complexFormat, angleUnit); }
+  Evaluation<float> approximate(SinglePrecision p, Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const override { return templatedApproximate<float>(); }
+  Evaluation<double> approximate(DoublePrecision p, Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const override { return templatedApproximate<double>(); }
 
   /* Symbol properties */
   bool isPi() const { return isConstantCodePoint(UCodePointGreekSmallLetterPi); }
@@ -53,7 +53,7 @@ private:
   char m_name[0]; // MUST be the last member variable
 
   size_t nodeSize() const override { return sizeof(ConstantNode); }
-  template<typename T> Evaluation<T> templatedApproximate(Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const;
+  template<typename T> Evaluation<T> templatedApproximate() const;
   bool isConstantCodePoint(CodePoint c) const;
 };
 
diff --git a/poincare/src/constant.cpp b/poincare/src/constant.cpp
index f1e607196..40729429c 100644
--- a/poincare/src/constant.cpp
+++ b/poincare/src/constant.cpp
@@ -63,7 +63,7 @@ Layout ConstantNode::createLayout(Preferences::PrintFloatMode floatDisplayMode,
 }
 
 template<typename T>
-Evaluation<T> ConstantNode::templatedApproximate(Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const {
+Evaluation<T> ConstantNode::templatedApproximate() const {
   if (isIComplex()) {
     return Complex<T>::Builder(0.0, 1.0);
   }
@@ -106,6 +106,4 @@ Expression Constant::shallowReduce(ExpressionNode::ReductionContext reductionCon
   return result;
 }
 
-template Evaluation<float> ConstantNode::templatedApproximate<float>(Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const;
-template Evaluation<double> ConstantNode::templatedApproximate<double>(Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const;
 }