diff --git a/Core/src/Core/BigFloat.cpp b/Core/src/Core/BigFloat.cpp
index 30766b81b9f..5db6f1fd595 100644
--- a/Core/src/Core/BigFloat.cpp
+++ b/Core/src/Core/BigFloat.cpp
@@ -1255,7 +1255,7 @@ BigFloat pow(const BigFloat& r, unsigned long n) {
       if ((n % 2) == 1) // n is odd
         u *= x;
     }
-    return u;
+    //return u; // unreachable
   }
 }//pow
 
diff --git a/Core/src/Core/Expr.cpp b/Core/src/Core/Expr.cpp
index 06287bf1d9d..26d69b7d945 100644
--- a/Core/src/Core/Expr.cpp
+++ b/Core/src/Core/Expr.cpp
@@ -143,7 +143,7 @@ Expr pow(const Expr& e, unsigned long n) {
       if ((n % 2) == 1) // n is odd
         u *= x;
     }
-    return u;
+    //return u; // unreachable
   }
 }//pow
 
diff --git a/Core/src/Core/Real.cpp b/Core/src/Core/Real.cpp
index a1b7bcc9f39..0bfc34f83c1 100644
--- a/Core/src/Core/Real.cpp
+++ b/Core/src/Core/Real.cpp
@@ -81,7 +81,7 @@ Real pow(const Real& r, unsigned long n) {
       if ((n % 2) == 1) // n is odd
         u *= x;
     }
-    return u;
+    //return u; // unreachable
   }
 }//pow