diff --git a/src/simulator/high-precision-128.cc b/src/simulator/high-precision-128.cc
index 36b12067f..b9b2796b4 100644
--- a/src/simulator/high-precision-128.cc
+++ b/src/simulator/high-precision-128.cc
@@ -19,7 +19,7 @@ HighPrecision::HighPrecision (double value)
 }
 #define MASK_LO ((((uint128_t)1)<<64)-1)
 #define MASK_HI (~MASK_LO)
-bool 
+void
 HighPrecision::Mul (HighPrecision const &o)
 {
   bool negResult, negA, negB;
@@ -62,9 +62,8 @@ HighPrecision::Mul (HighPrecision const &o)
   // add the sign to the result
   result = negResult ? -result:result;
   m_value = result;
-  return true;
 }
-bool 
+void
 HighPrecision::Div (HighPrecision const &o)
 {
   bool negResult, negA, negB;
@@ -98,7 +97,6 @@ HighPrecision::Div (HighPrecision const &o)
   result = result + quo;
   result = negResult ? -result:result;
   m_value = result;
-  return true;
 }
 
 } // namespace ns3
diff --git a/src/simulator/high-precision-128.h b/src/simulator/high-precision-128.h
index b1234c21f..7c4670493 100644
--- a/src/simulator/high-precision-128.h
+++ b/src/simulator/high-precision-128.h
@@ -39,10 +39,10 @@ public:
 
   inline int64_t GetInteger (void) const;
   inline double GetDouble (void) const;
-  inline bool Add (HighPrecision const &o);
-  inline bool Sub (HighPrecision const &o);
-  bool Mul (HighPrecision const &o);
-  bool Div (HighPrecision const &o);
+  inline void Add (HighPrecision const &o);
+  inline void Sub (HighPrecision const &o);
+  void Mul (HighPrecision const &o);
+  void Div (HighPrecision const &o);
 
   inline int Compare (HighPrecision const &o) const;
   inline static HighPrecision Zero (void);
@@ -87,17 +87,15 @@ int64_t HighPrecision::GetInteger (void) const
   return v;
 }
 
-bool 
+void
 HighPrecision::Add (HighPrecision const &o)
 {
   m_value += o.m_value;
-  return true;
 }
-bool 
+void
 HighPrecision::Sub (HighPrecision const &o)
 {
   m_value -= o.m_value;
-  return true;
 }
 
 int 
diff --git a/src/simulator/high-precision-double.cc b/src/simulator/high-precision-double.cc
index be6d6e1a1..460792f9e 100644
--- a/src/simulator/high-precision-double.cc
+++ b/src/simulator/high-precision-double.cc
@@ -51,29 +51,25 @@ HighPrecision::GetDouble (void) const
 {
   return m_value;
 }
-bool
+void
 HighPrecision::Add (HighPrecision const &o)
 {
   m_value += o.m_value;
-  return false;
 }
-bool
+void
 HighPrecision::Sub (HighPrecision const &o)
 {
   m_value -= o.m_value;
-  return false;
 }
-bool
+void
 HighPrecision::Mul (HighPrecision const &o)
 {
   m_value *= o.m_value;
-  return false;
 }
-bool
+void
 HighPrecision::Div (HighPrecision const &o)
 {
   m_value /= o.m_value;
-  return false;
 }
 int
 HighPrecision::Compare (HighPrecision const &o) const
@@ -86,4 +82,4 @@ HighPrecision::Zero (void)
   return HighPrecision (0,0);
 }
 
-}; // namespace ns3
+} // namespace ns3
diff --git a/src/simulator/high-precision-double.h b/src/simulator/high-precision-double.h
index cf0c2a179..82c5e1ccd 100644
--- a/src/simulator/high-precision-double.h
+++ b/src/simulator/high-precision-double.h
@@ -40,10 +40,10 @@ public:
 
   int64_t GetInteger (void) const;
   double GetDouble (void) const;
-  bool Add (HighPrecision const &o);
-  bool Sub (HighPrecision const &o);
-  bool Mul (HighPrecision const &o);
-  bool Div (HighPrecision const &o);
+  void Add (HighPrecision const &o);
+  void Sub (HighPrecision const &o);
+  void Mul (HighPrecision const &o);
+  void Div (HighPrecision const &o);
 
   int Compare (HighPrecision const &o) const;
   static HighPrecision Zero (void);
@@ -52,6 +52,6 @@ private:
   double m_value;
 };
 
-}; // namespace ns3
+} // namespace ns3
 
 #endif /* HIGH_PRECISION_DOUBLE_H  */