diff --git a/src/test/java/org/aksw/iguana/commons/io/BigByteArrayInputStreamTest.java b/src/test/java/org/aksw/iguana/commons/io/BigByteArrayInputStreamTest.java
index fbb00333..cb68b1b8 100644
--- a/src/test/java/org/aksw/iguana/commons/io/BigByteArrayInputStreamTest.java
+++ b/src/test/java/org/aksw/iguana/commons/io/BigByteArrayInputStreamTest.java
@@ -14,6 +14,7 @@
 
 import static org.junit.jupiter.api.Assertions.*;
 
+@Disabled("This test takes a lot of time and resources.")
 class BigByteArrayInputStreamTest {
 
     private static final int MAX_SINGLE_BUFFER_SIZE = Integer.MAX_VALUE - 8;
diff --git a/src/test/java/org/aksw/iguana/commons/io/BigByteArrayOutputStreamTest.java b/src/test/java/org/aksw/iguana/commons/io/BigByteArrayOutputStreamTest.java
index 90281eda..5b49c054 100644
--- a/src/test/java/org/aksw/iguana/commons/io/BigByteArrayOutputStreamTest.java
+++ b/src/test/java/org/aksw/iguana/commons/io/BigByteArrayOutputStreamTest.java
@@ -18,6 +18,7 @@
 
 import static org.junit.jupiter.api.Assertions.*;
 
+@Disabled("This test takes a lot of time and resources.")
 class BigByteArrayOutputStreamTest {
     final static Random rng = new Random(0);