diff --git a/tests/PathCoverageTest.cpp b/tests/PathCoverageTest.cpp
index 4f2f1be..9734f75 100644
--- a/tests/PathCoverageTest.cpp
+++ b/tests/PathCoverageTest.cpp
@@ -66,22 +66,22 @@
     }
 }
 
-uint32_t quadraticPointCount_EE(const SkPoint points[], SkScalar tol) {
+static uint32_t quadraticPointCount_EE(const SkPoint points[], SkScalar tol) {
     int distance = estimate_distance(points);
     return estimate_pointCount(distance);
 }
 
-uint32_t quadraticPointCount_EC(const SkPoint points[], SkScalar tol) {
+static uint32_t quadraticPointCount_EC(const SkPoint points[], SkScalar tol) {
     int distance = estimate_distance(points);
     return compute_pointCount(SkIntToScalar(distance), tol);
 }
 
-uint32_t quadraticPointCount_CE(const SkPoint points[], SkScalar tol) {
+static uint32_t quadraticPointCount_CE(const SkPoint points[], SkScalar tol) {
     SkScalar distance = compute_distance(points);
     return estimate_pointCount(SkScalarRound(distance));
 }
 
-uint32_t quadraticPointCount_CC(const SkPoint points[], SkScalar tol) {
+static uint32_t quadraticPointCount_CC(const SkPoint points[], SkScalar tol) {
     SkScalar distance = compute_distance(points);
     return compute_pointCount(distance, tol);
 }
@@ -123,6 +123,13 @@
             quadraticPointCount_CC(path, SkIntToScalar(1));
         uint32_t estimatedCount =
             quadraticPointCount_EE(path, SkIntToScalar(1));
+        
+        if (false) { // avoid bit rot, suppress warning
+            computedCount =
+                    quadraticPointCount_EC(path, SkIntToScalar(1));
+            estimatedCount =
+                    quadraticPointCount_CE(path, SkIntToScalar(1));
+        }
         // Allow estimated to be high by a factor of two, but no less than
         // the computed value.
         bool isAccurate = (estimatedCount >= computedCount) &&