diff --git a/c/interaction/interaction.c b/c/interaction/interaction.c
index 6014cf1..7da2163 100644
--- a/c/interaction/interaction.c
+++ b/c/interaction/interaction.c
@@ -17,40 +17,10 @@ interaction_force_function
 	{
 		result += coefficients[i] * powf(r, i);
 	}
-#ifdef WARN_NAN_OCCUR
-	if(isnan(result))
-	{
-		printf("got NaN from r = %f, in polynomial part\n", r);
-	}
-#endif
 	result *= coefficients[7] * expf(coefficients[8] * (r - coefficients[9]));
-#ifdef WARN_NAN_OCCUR
-	if(isnan(result))
-	{
-		printf("got NaN from r = %f, in dampening part\n", r);
-	}
-#endif
 	result += coefficients[10] * expf(coefficients[11] * (r - coefficients[12]));
-#ifdef WARN_NAN_OCCUR
-	if(isnan(result))
-	{
-		printf("got NaN from r = %f, in O(r) exp part\n", r);
-	}
-#endif
 	result += coefficients[13] * expf(coefficients[14] * raise2(r - coefficients[15]));
-#ifdef WARN_NAN_OCCUR
-	if(isnan(result))
-	{
-		printf("got NaN from r = %f, in O(r^2) exp part 1\n", r);
-	}
-#endif
 	result += coefficients[16] * expf(coefficients[17] * raise2(r - coefficients[18]));
-#ifdef WARN_NAN_OCCUR
-	if(isnan(result))
-	{
-		printf("got NaN from r = %f, in O(r^2) exp part 2\n", r);
-	}
-#endif
 	return result;
 }