diff --git a/scripts/bench/bench.py b/scripts/bench/bench.py
index fccc5da..ebb3a4c 100755
--- a/scripts/bench/bench.py
+++ b/scripts/bench/bench.py
@@ -23,7 +23,7 @@
     parser.add_argument("--files",      type=int, default=1,    help = "number of source files (besides the implementation)")
     parser.add_argument("--tests",      type=int, default=1,    help = "number of test cases per source file")
     parser.add_argument("--checks",     type=int, default=1,    help = "number of asserts per test case")
-    parser.add_argument("--asserts",    choices=['normal', 'binary', 'fast'], default="normal",
+    parser.add_argument("--asserts",    choices=['normal', 'binary'], default="normal",
                                                                 help = "<doctest> type of assert used - Catch: only normal")
 
 parser = argparse.ArgumentParser()
@@ -101,8 +101,6 @@
     macro = "    CHECK(i == i);\n"
 if not args.catch and args.asserts == "binary":
     macro = "    CHECK_EQ(a, b);\n"
-if not args.catch and args.asserts == "fast":
-    macro = "    FAST_CHECK_EQ(a, b);\n"
 
 # setup the header used
 include = '#include "doctest.h"\n'
diff --git a/scripts/bench/tests.json b/scripts/bench/tests.json
index bb8aba6..5d7d551 100644
--- a/scripts/bench/tests.json
+++ b/scripts/bench/tests.json
@@ -27,10 +27,9 @@
         [
             ["any",     " --header --files 10 --tests 0  --checks 0"],
             ["any",     " --header --files 10 --tests 50 --checks 100 --asserts normal"],
+            ["any",     " --header --files 10 --tests 50 --checks 100 --asserts normal --fast"],
             ["doctest", " --header --files 10 --tests 50 --checks 100 --asserts binary"],
-            ["doctest", " --header --files 10 --tests 50 --checks 100 --asserts fast"],
-            ["doctest", " --header --files 10 --tests 50 --checks 100 --asserts fast   --fast"],
-            ["catch",   " --header --files 10 --tests 50 --checks 100 --asserts normal --fast"],
+            ["doctest", " --header --files 10 --tests 50 --checks 100 --asserts binary --fast"],
             ["any",     " --header --files 10 --tests 50 --checks 100 --asserts normal --disabled"]
         ]
     ],