diff --git a/src/main/java/net/imglib2/blocks/PrimitiveTypeProperties.java b/src/main/java/net/imglib2/blocks/PrimitiveTypeProperties.java
index e06eb8722..f08630972 100644
--- a/src/main/java/net/imglib2/blocks/PrimitiveTypeProperties.java
+++ b/src/main/java/net/imglib2/blocks/PrimitiveTypeProperties.java
@@ -37,7 +37,6 @@
 import java.util.function.Function;
 import java.util.function.IntFunction;
 import java.util.function.ToIntFunction;
-import net.imglib2.img.basictypeaccess.array.ArrayDataAccess;
 import net.imglib2.img.basictypeaccess.array.BooleanArray;
 import net.imglib2.img.basictypeaccess.array.ByteArray;
 import net.imglib2.img.basictypeaccess.array.CharArray;
@@ -61,7 +60,7 @@
  * @param <P> a primitive array type, e.g., {@code byte[]}.
  * @param <A> the corresponding {@code ArrayDataAccess} type.
  */
-class PrimitiveTypeProperties< P, A extends ArrayDataAccess< A > >
+class PrimitiveTypeProperties< P, A >
 {
 	final Class< P > primitiveArrayClass;