diff --git a/doc/projects.inc b/doc/projects.inc
index 08a4954dcb..25f0182ecb 100644
--- a/doc/projects.inc
+++ b/doc/projects.inc
@@ -621,16 +621,16 @@ $math = array(
 //            tra("Search for collisions (weaknesses) of the widely-used SHA-1 hash function."),
 //            "LogoKryptoGroup_klein.jpg"
 //        ),
-        array(
-            "ABC@home",
-            "http://abcathome.com/",
-            tra("Mathematical Institute of Leiden University / Kennislink"),
-            tra("Mathematics"),
-            tra("Search for 'abc-triples': positive integers a,b,c such that a+b=c, a < b < c, a,b,c have no common divisors and c > rad(abc), where rad(n) is the product of the distinct prime factors of n. The ABC conjecture says that there are only finitely many a,b,c such that log(c)/log(rad(abc)) > h for any real h > 1. The ABC conjecture is currently one of the greatest open problems in mathematics. If it is proven to be true, a lot of other open problems can be answered directly from it."),
-            "abclogo.jpg",
-            "",
-            "Study the ABC conjecture"
-        ),
+//        array(
+//            "ABC@home",
+//            "http://abcathome.com/",
+//            tra("Mathematical Institute of Leiden University / Kennislink"),
+//            tra("Mathematics"),
+//            tra("Search for 'abc-triples': positive integers a,b,c such that a+b=c, a < b < c, a,b,c have no common divisors and c > rad(abc), where rad(n) is the product of the distinct prime factors of n. The ABC conjecture says that there are only finitely many a,b,c such that log(c)/log(rad(abc)) > h for any real h > 1. The ABC conjecture is currently one of the greatest open problems in mathematics. If it is proven to be true, a lot of other open problems can be answered directly from it."),
+//            "abclogo.jpg",
+//            "",
+//            "Study the ABC conjecture"
+//        ),
         array(
             "PrimeGrid",
             "http://www.primegrid.com/",