diff --git a/src/test/java/net/sourceforge/tess4j/TessAPI1Test.java b/src/test/java/net/sourceforge/tess4j/TessAPI1Test.java
index b6acfe3a..c4bbb9ea 100644
--- a/src/test/java/net/sourceforge/tess4j/TessAPI1Test.java
+++ b/src/test/java/net/sourceforge/tess4j/TessAPI1Test.java
@@ -47,7 +47,6 @@ public class TessAPI1Test {
     TessBaseAPI handle;
 
     public TessAPI1Test() {
-        System.setProperty("jna.encoding", "UTF8");
     }
 
     @BeforeClass
diff --git a/src/test/java/net/sourceforge/tess4j/TessAPITest.java b/src/test/java/net/sourceforge/tess4j/TessAPITest.java
index ad729d89..f8733df4 100644
--- a/src/test/java/net/sourceforge/tess4j/TessAPITest.java
+++ b/src/test/java/net/sourceforge/tess4j/TessAPITest.java
@@ -45,7 +45,6 @@ public class TessAPITest {
     TessBaseAPI handle;
 
     public TessAPITest() {
-        System.setProperty("jna.encoding", "UTF8");
     }
 
     @BeforeClass