diff --git a/src/main/java/org/m2ci/msp/jtgt/TextGrid.java b/src/main/java/org/m2ci/msp/jtgt/TextGrid.java
index e9427e4..0d76c95 100644
--- a/src/main/java/org/m2ci/msp/jtgt/TextGrid.java
+++ b/src/main/java/org/m2ci/msp/jtgt/TextGrid.java
@@ -22,6 +22,7 @@ public class TextGrid {
     private double _end;
 
     /** The filename associated with the textgrid */
+    @Deprecated
     private String _filename;
 
     /*********************************************************************************************
@@ -55,7 +56,9 @@ public TextGrid(String filename) {
      * @param filename the filename
      * @param start the start time of the textgrid
      * @param end the end time of the textgrid
+     * @deprecated use {@link #TextGrid(double, double)}
      */
+    @Deprecated
     public TextGrid(String filename, double start, double end) {
         setFilename(filename);
         setStart(start);
@@ -63,6 +66,18 @@ public TextGrid(String filename, double start, double end) {
         setTiers(new ArrayList<Tier>());
     }
 
+    /**
+     * Constructor with full information without the tiers
+     *
+     * @param start the start time of the textgrid
+     * @param end the end time of the textgrid
+     */
+    public TextGrid(double start, double end) {
+        setStart(start);
+        setEnd(end);
+        setTiers(new ArrayList<Tier>());
+    }
+
     /**
      * Constructor with full informations with the tiers
      *
@@ -70,7 +85,9 @@ public TextGrid(String filename, double start, double end) {
      * @param start the start time of the textgrid
      * @param end the end time of the textgrid
      * @param tiers the tiers which are going to compose the textgrid
+     * @deprecated use {@link #TextGrid(double, double, ArrayList)}
      */
+    @Deprecated
     public TextGrid(String filename, double start, double end, ArrayList<Tier> tiers) {
         setFilename(filename);
         setStart(start);
@@ -78,6 +95,19 @@ public TextGrid(String filename, double start, double end, ArrayList<Tier> tiers
         setTiers(tiers);
     }
 
+    /**
+     * Constructor with full information with the tiers
+     *
+     * @param start the start time of the textgrid
+     * @param end the end time of the textgrid
+     * @param tiers the tiers which are going to comprise the textgrid
+     */
+    public TextGrid(double start, double end, ArrayList<Tier> tiers) {
+        setStart(start);
+        setEnd(end);
+        setTiers(tiers);
+    }
+
     /*********************************************************************************************
      ** Accessors
      *********************************************************************************************/
@@ -94,7 +124,9 @@ public ArrayList<Tier> getTiers() {
      * Getting the filename
      *
      * @return the filename
+     * @deprecated TextGrids should not have a filename
      */
+    @Deprecated
     public String getFilename() {
         return _filename;
     }
@@ -130,7 +162,9 @@ public void setTiers(ArrayList<Tier> tiers) {
      * Define the filename
      *
      * @param filename the filename associated to the textgrid
+     * @deprecated TextGrids should not have a filename
      */
+    @Deprecated
     public void setFilename(String filename) {
         this._filename = filename;
     }
diff --git a/src/main/java/org/m2ci/msp/jtgt/io/TextGridSerializer.java b/src/main/java/org/m2ci/msp/jtgt/io/TextGridSerializer.java
index 2c09470..902252f 100644
--- a/src/main/java/org/m2ci/msp/jtgt/io/TextGridSerializer.java
+++ b/src/main/java/org/m2ci/msp/jtgt/io/TextGridSerializer.java
@@ -117,7 +117,7 @@ public TextGrid fromString(String str_tgt) throws TextGridIOException {
                                               ") and the expected number of tiers (" + nb_tiers + ")");
             }
 
-            tgt = new TextGrid(null, xmin, xmax, tiers);
+            tgt = new TextGrid(xmin, xmax, tiers);
 
         } else {
             throw new TextGridIOException("Short format not supported yet or invalid line: \"" + lines.get(0) + "\"");