diff --git a/app/common/rational.cpp b/app/common/rational.cpp
index 1e5eec400..11e4c3acc 100644
--- a/app/common/rational.cpp
+++ b/app/common/rational.cpp
@@ -3,19 +3,12 @@
 
 #include "rational.h"
 
-int rational::activeInstances = 0;
-
 rational::rational(const AVRational &r) :
   numer(r.num),
   denom(r.den)
 {
 }
 
-rational::~rational()
-{
-  activeInstances--;
-}
-
 //Function: print number to cout
 
 void rational::print(ostream &out) const
@@ -108,13 +101,6 @@ bool rational::isNull() const
   return denominator() == 0;
 }
 
-//Function: get active instances
-
-int rational::getActiveInstances()
-{
-  return activeInstances;
-}
-
 const intType &rational::numerator() const
 {
   return numer;
diff --git a/app/common/rational.h b/app/common/rational.h
index 1a0828b6d..15a8d0825 100644
--- a/app/common/rational.h
+++ b/app/common/rational.h
@@ -30,7 +30,6 @@ public:
   rational(const intType &numerator = 0)
     :numer(numerator), denom(1)
   {
-    activeInstances++;
     if(numer == 0)
       denom = 0;
   }
@@ -38,7 +37,6 @@ public:
   rational(const intType &numerator, const intType &denominator)
     :numer(numerator), denom(denominator)
   {
-    activeInstances++;
     if(denom != intType(0))
       {
         if(numer != intType(0))
@@ -56,14 +54,10 @@ public:
   rational(const rational &rhs)
     :numer(rhs.numer), denom(rhs.denom)
   {
-    activeInstances++;
   }
 
   rational(const AVRational& r);
 
-  //destructor
-  ~rational();
-
   //Assignment Operators
   const rational& operator=(const rational &rhs);
   const rational& operator+=(const rational &rhs);
@@ -108,9 +102,6 @@ public:
   //Function: print number to cout
   void print(ostream &out = cout) const;
 
-  //Function: get active instances
-  int getActiveInstances();
-
   //IO
   friend ostream& operator<<(ostream &out, const rational &value);
   friend istream& operator>>(istream &in, rational &value);
@@ -119,9 +110,6 @@ public:
   const intType& denominator() const;
 
 private:
-  //number of active instances
-  static int activeInstances;
-
   //numerator and denominator
   intType numer;
   intType denom;