diff --git a/exercises/practice/affine-cipher/src/test/kotlin/AffineCipherTest.kt b/exercises/practice/affine-cipher/src/test/kotlin/AffineCipherTest.kt
index 2c961b87..95def5f3 100644
--- a/exercises/practice/affine-cipher/src/test/kotlin/AffineCipherTest.kt
+++ b/exercises/practice/affine-cipher/src/test/kotlin/AffineCipherTest.kt
@@ -1,3 +1,4 @@
+import kotlin.test.Ignore
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertFailsWith
@@ -7,27 +8,35 @@ class AffineCipherTest {
     @Test
     fun `encode yes`() = assertEquals("xbt", AffineCipher.encode("yes", 5, 7))
 
+    @Ignore
     @Test
     fun `encode no`() = assertEquals("fu", AffineCipher.encode("no", 15, 18))
 
+    @Ignore
     @Test
     fun `encode OMG`() = assertEquals("lvz", AffineCipher.encode("OMG", 21, 3))
 
+    @Ignore
     @Test
     fun `encode O M G`() = assertEquals("hjp", AffineCipher.encode("O M G", 25, 47))
 
+    @Ignore
     @Test
     fun `encode mindblowingly`() = assertEquals("rzcwa gnxzc dgt", AffineCipher.encode("mindblowingly", 11, 15))
 
+    @Ignore
     @Test
     fun `encode numbers`() = assertEquals("jqgjc rw123 jqgjc rw", AffineCipher.encode("Testing,1 2 3, testing.", 3, 4))
 
+    @Ignore
     @Test
     fun `encode deep thought`() = assertEquals("iynia fdqfb ifje", AffineCipher.encode("Truth is fiction.", 5, 17))
 
+    @Ignore
     @Test
     fun `encode all letters`() = assertEquals("swxtj npvyk lruol iejdc blaxk swxmh qzglf", AffineCipher.encode("The quick brown fox jumps over the lazy dog.", 17, 33))
 
+    @Ignore
     @Test
     fun `encode with a not coprime to m`() {
         assertFailsWith<IllegalArgumentException>("a and m must be coprime.") {
@@ -35,24 +44,31 @@ class AffineCipherTest {
         }
     }
 
+    @Ignore
     @Test
     fun `decode exercism`() = assertEquals("exercism", AffineCipher.decode("tytgn fjr", 3, 7))
 
+    @Ignore
     @Test
     fun `decode a sentence`() = assertEquals("anobstacleisoftenasteppingstone", AffineCipher.decode("qdwju nqcro muwhn odqun oppmd aunwd o", 19, 16))
 
+    @Ignore
     @Test
     fun `decode numbers`() = assertEquals("testing123testing", AffineCipher.decode("odpoz ub123 odpoz ub", 25, 7))
 
+    @Ignore
     @Test
     fun `decode all the letters`() = assertEquals("thequickbrownfoxjumpsoverthelazydog", AffineCipher.decode("swxtj npvyk lruol iejdc blaxk swxmh qzglf", 17, 33))
 
+    @Ignore
     @Test
     fun `decode with no spaces in input`() = assertEquals("thequickbrownfoxjumpsoverthelazydog", AffineCipher.decode("swxtjnpvyklruoliejdcblaxkswxmhqzglf", 17, 33))
 
+    @Ignore
     @Test
     fun `decode with too many spaces`() = assertEquals("jollygreengiant", AffineCipher.decode("vszzm    cly   yd cg    qdp", 15, 16))
 
+    @Ignore
     @Test
     fun `decode with a not coprime to m`() {
         assertFailsWith<IllegalArgumentException>("a and m must be coprime.") {