diff --git a/boolean/boolean.go b/boolean/boolean.go
index ceb83f0..eeba325 100644
--- a/boolean/boolean.go
+++ b/boolean/boolean.go
@@ -1,14 +1,14 @@
 // boolean.go
 package bocchi
 
-import "git.sunturtle.xyz/zephyr/errors-my-beloved/boolean/secret"
+import "git.sunturtle.xyz/zephyr/errors-my-beloved/boolean/challenge"
 
 var _ = map[bool]struct{}{
-	false:                     {},
-	secret.Secret == "gc25{}": {}, // ERROR: ./boolean.go:7:2: duplicate key false in map literal
+	false:                      {},
+	challenge.Flag == "gc25{}": {}, // ERROR: ./boolean.go:7:2: duplicate key false in map literal
 }
 
 var _ = map[bool]struct{}{
-	false:                        {},
-	secret.Secret[:5] != "gc25{": {}, // silently succeeds, even though it evaluates to false
+	false:                          {},
+	challenge.Flag[13:] != "CRDy}": {}, // silently succeeds, even though it evaluates to false
 }
diff --git a/boolean/challenge/flag.go b/boolean/challenge/flag.go
new file mode 100644
index 0000000..907f2b2
--- /dev/null
+++ b/boolean/challenge/flag.go
@@ -0,0 +1,3 @@
+package challenge
+
+const Flag = "gc25{afR7yRQVCRDy}"
diff --git a/boolean/secret/secret.go b/boolean/secret/secret.go
deleted file mode 100644
index a8e8e1e..0000000
--- a/boolean/secret/secret.go
+++ /dev/null
@@ -1,3 +0,0 @@
-package secret
-
-const Secret = "gc25{afR7yRQVCRDy}"