diff --git a/src/test/java/mandelbrot/ComplexTest.java b/src/test/java/mandelbrot/ComplexTest.java
index 458277c4c7e5ae08f8ce4e0cb695b3a73e879544..abd5593a5916949e877adc96278383797f5b1a46 100644
--- a/src/test/java/mandelbrot/ComplexTest.java
+++ b/src/test/java/mandelbrot/ComplexTest.java
@@ -86,12 +86,6 @@ public class ComplexTest {
         assertThat(()->zero.reciprocal(), throwsException(ArithmeticException.class));
     }
 
-    @Test
-    void testSubtract(){
-        assertThat(zero.subtract(one), is(equalTo(minusOne)));
-        assertThat(one.subtract(i), is(equalTo(oneMinusI)));
-    }
-
     @Test
     void testDivide(){
         assertThat(onePlusI.divide(Complex.ONE), equalTo(onePlusI));
@@ -133,4 +127,5 @@ public class ComplexTest {
         assertThat(twoI.toString(), is(equalTo("2.0i")));
         assertThat(two.toString(), is(equalTo("2.0")));
     }
+
 }
\ No newline at end of file