diff --git a/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource.java b/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource.java
index 67358c88..07202e82 100644
--- a/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource.java
+++ b/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource.java
@@ -119,12 +119,6 @@ public synchronized void getSourceTransform( final int t, final int level, final
 		transform.set( mipmapTransforms[ level ] );
 	}
 
-	@Override
-	public VoxelDimensions getVoxelDimensions()
-	{
-		return voxelDimensions;
-	}
-
 	@Override
 	public int getNumMipmapLevels()
 	{
diff --git a/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource4D.java b/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource4D.java
index 21f50368..f9dbbef9 100644
--- a/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource4D.java
+++ b/src/main/java/bdv/util/RandomAccessibleIntervalMipmapSource4D.java
@@ -198,12 +198,6 @@ public synchronized void getSourceTransform( final int t, final int level, final
 		transform.set( mipmapTransforms[ level ] );
 	}
 
-	@Override
-	public VoxelDimensions getVoxelDimensions()
-	{
-		return voxelDimensions;
-	}
-
 	@Override
 	public int getNumMipmapLevels()
 	{