diff --git a/ta4j-core/src/main/java/org/ta4j/core/indicators/SMAIndicator.java b/ta4j-core/src/main/java/org/ta4j/core/indicators/SMAIndicator.java
index e17c5418d..abbcc89ea 100644
--- a/ta4j-core/src/main/java/org/ta4j/core/indicators/SMAIndicator.java
+++ b/ta4j-core/src/main/java/org/ta4j/core/indicators/SMAIndicator.java
@@ -38,7 +38,6 @@ public class SMAIndicator extends CachedIndicator<Num> {
     private final int barCount;
     private RunningTotalIndicator previousSum;
 
-
     /**
      * Constructor.
      * 
@@ -47,7 +46,7 @@ public class SMAIndicator extends CachedIndicator<Num> {
      */
     public SMAIndicator(Indicator<Num> indicator, int barCount) {
         super(indicator);
-        this.previousSum = new RunningTotalIndicator(indicator,barCount);
+        this.previousSum = new RunningTotalIndicator(indicator, barCount);
         this.barCount = barCount;
     }
 
@@ -58,7 +57,6 @@ protected Num calculate(int index) {
         return sum.dividedBy(numOf(realBarCount));
     }
 
-
     private Num partialSum(int index) {
         return this.previousSum.getValue(index);
     }
diff --git a/ta4j-core/src/main/java/org/ta4j/core/indicators/helpers/RunningTotalIndicator.java b/ta4j-core/src/main/java/org/ta4j/core/indicators/helpers/RunningTotalIndicator.java
index 06b5fb01d..7dcc4c40f 100644
--- a/ta4j-core/src/main/java/org/ta4j/core/indicators/helpers/RunningTotalIndicator.java
+++ b/ta4j-core/src/main/java/org/ta4j/core/indicators/helpers/RunningTotalIndicator.java
@@ -47,7 +47,6 @@ public RunningTotalIndicator(Indicator<Num> indicator, int barCount) {
         this.barCount = barCount;
     }
 
-
     @Override
     protected Num calculate(int index) {
         // serial access can benefit from previous partial sums
@@ -95,7 +94,6 @@ public String toString() {
         return getClass().getSimpleName() + " barCount: " + barCount;
     }
 
-
     @Override
     public int getUnstableBars() {
         return barCount;