diff --git a/src/beast/continuous/AbstractMultivariateTraitLikelihood.java b/src/beast/continuous/AbstractMultivariateTraitLikelihood.java
index e8c6db9..3a822f8 100644
--- a/src/beast/continuous/AbstractMultivariateTraitLikelihood.java
+++ b/src/beast/continuous/AbstractMultivariateTraitLikelihood.java
@@ -536,7 +536,7 @@ public double[] getOptimalValue(Node node) {
     
     /** loggable implementation **/
     @Override
-    public void init(PrintStream out) throws Exception {
+    public void init(PrintStream out) {
     	out.print(getID() + ".joint\t" + getID() + ".data\t");
     }
     
diff --git a/src/beast/evolution/substitutionmodel/SVSGeneralSubstitutionModelLogger.java b/src/beast/evolution/substitutionmodel/SVSGeneralSubstitutionModelLogger.java
index 715c564..4cef9d8 100644
--- a/src/beast/evolution/substitutionmodel/SVSGeneralSubstitutionModelLogger.java
+++ b/src/beast/evolution/substitutionmodel/SVSGeneralSubstitutionModelLogger.java
@@ -70,7 +70,7 @@ private String getLocationString(int i) {
     }
 
     @Override
-    public void init(PrintStream out) throws Exception {
+    public void init(PrintStream out) {
         String mainID = (getID() == null || getID().matches("\\s*"))
                 ? "geoSubstModel"
                 : getID();
diff --git a/src/beast/evolution/tree/RootTrait.java b/src/beast/evolution/tree/RootTrait.java
index ed2ff72..8a26668 100644
--- a/src/beast/evolution/tree/RootTrait.java
+++ b/src/beast/evolution/tree/RootTrait.java
@@ -43,7 +43,7 @@ public double getArrayValue(int iDim) {
 	}
 
 	@Override
-	public void init(PrintStream out) throws Exception {
+	public void init(PrintStream out) {
 		String id = getID();
 		if (id == null) {
 			id = "RootTrait";
diff --git a/src/beast/evolution/tree/TreeWithTraitLogger.java b/src/beast/evolution/tree/TreeWithTraitLogger.java
index 3871b35..8d6e563 100644
--- a/src/beast/evolution/tree/TreeWithTraitLogger.java
+++ b/src/beast/evolution/tree/TreeWithTraitLogger.java
@@ -60,7 +60,7 @@ public void initAndValidate() {
 	}
 	
 	@Override
-	public void init(PrintStream out) throws Exception {
+	public void init(PrintStream out) {
 		m_tree.get().init(out);
 	}