diff --git a/internal/ogtags/mem_test.go b/internal/ogtags/mem_test.go
index 9db4d68c..c9482cc3 100644
--- a/internal/ogtags/mem_test.go
+++ b/internal/ogtags/mem_test.go
@@ -1,11 +1,12 @@
 package ogtags
 
 import (
-	"golang.org/x/net/html"
 	"net/url"
 	"runtime"
 	"strings"
 	"testing"
+
+	"golang.org/x/net/html"
 )
 
 func BenchmarkGetTarget(b *testing.B) {
diff --git a/internal/ogtags/ogtags_fuzz_test.go b/internal/ogtags/ogtags_fuzz_test.go
index c6e40fa5..752aa2fa 100644
--- a/internal/ogtags/ogtags_fuzz_test.go
+++ b/internal/ogtags/ogtags_fuzz_test.go
@@ -1,11 +1,12 @@
 package ogtags
 
 import (
-	"golang.org/x/net/html"
 	"net/url"
 	"strings"
 	"testing"
 	"unicode/utf8"
+
+	"golang.org/x/net/html"
 )
 
 // FuzzGetTarget tests getTarget with various inputs
diff --git a/lib/policy/config/config.go b/lib/policy/config/config.go
index 55fb3c04..5e2a96b4 100644
--- a/lib/policy/config/config.go
+++ b/lib/policy/config/config.go
@@ -170,9 +170,9 @@ func (b *BotConfig) Valid() error {
 }
 
 type ChallengeRules struct {
-	Algorithm  string `json:"algorithm"`
-	Difficulty int    `json:"difficulty"`
-	ReportAs   int    `json:"report_as"`
+	Algorithm  string `json:"algorithm,omitempty" yaml:"algorithm,omitempty"`
+	Difficulty int    `json:"difficulty,omitempty" yaml:"difficulty,omitempty"`
+	ReportAs   int    `json:"report_as,omitempty" yaml:"report_as,omitempty"`
 }
 
 var (