diff --git a/util/router/parse.go b/util/router/parse.go
index fea9238e..9da8ea04 100644
--- a/util/router/parse.go
+++ b/util/router/parse.go
@@ -102,7 +102,7 @@ type parser struct {
 // topLevelSegments is the target of this parser.
 func (p *parser) topLevelSegments() ([]segment, error) {
 	if logger.V(logger.TraceLevel) {
-		logger.Debug(context.TODO(), "Parsing %q", p.tokens)
+		logger.Trace(context.TODO(), "Parsing %q", p.tokens)
 	}
 	segs, err := p.segments()
 	if err != nil {
diff --git a/util/router/runtime.go b/util/router/runtime.go
index daba98fa..62a26a1b 100644
--- a/util/router/runtime.go
+++ b/util/router/runtime.go
@@ -63,16 +63,16 @@ func NewPattern(version int, ops []int, pool []string, verb string, opts ...Patt
 	}
 
 	if version != 1 {
-		if logger.V(logger.DebugLevel) {
-			logger.Debug(context.TODO(), "unsupported version: %d", version)
+		if logger.V(logger.TraceLevel) {
+			logger.Trace(context.TODO(), "unsupported version: %d", version)
 		}
 		return Pattern{}, ErrInvalidPattern
 	}
 
 	l := len(ops)
 	if l%2 != 0 {
-		if logger.V(logger.DebugLevel) {
-			logger.Debug(context.TODO(), "odd number of ops codes: %d", l)
+		if logger.V(logger.TraceLevel) {
+			logger.Trace(context.TODO(), "odd number of ops codes: %d", l)
 		}
 		return Pattern{}, ErrInvalidPattern
 	}
@@ -141,13 +141,13 @@ func NewPattern(version int, ops []int, pool []string, verb string, opts ...Patt
 			vars = append(vars, v)
 			stack--
 			if stack < 0 {
-				if logger.V(logger.DebugLevel) {
+				if logger.V(logger.TraceLevel) {
 					logger.Trace(context.TODO(), "stack underflow")
 				}
 				return Pattern{}, ErrInvalidPattern
 			}
 		default:
-			if logger.V(logger.DebugLevel) {
+			if logger.V(logger.TraceLevel) {
 				logger.Trace(context.TODO(), "invalid opcode: %d", op.code)
 			}
 			return Pattern{}, ErrInvalidPattern