diff --git a/core/hakmem_elo.c b/core/hakmem_elo.c
index f34ad7f6..3f65cd15 100644
--- a/core/hakmem_elo.c
+++ b/core/hakmem_elo.c
@@ -22,6 +22,12 @@ static uint64_t g_total_selections = 0;
 // This replaces the previous local is_quiet() implementation
 #define is_quiet() hak_is_quiet()
 
+// Score normalization constants (used in hak_elo_compute_score)
+// These define the "maximum" values for metric normalization (0-1 range)
+static const double ELO_MAX_CPU_NS = 100000.0;         // 100 microseconds
+static const double ELO_MAX_PAGE_FAULTS = 1000.0;      // 1000 page faults
+static const double ELO_MAX_BYTES_LIVE = 100000000.0;  // 100 MB
+
 // Strategy threshold presets (geometric progression from 512KB to 8MB)
 static const size_t STRATEGY_THRESHOLDS[] = {
     524288,    // 512KB
@@ -150,14 +156,10 @@ void hak_elo_record_alloc(int strategy_id, size_t size, uint64_t duration_ns) {
 // Compute composite score (normalized 0-1)
 double hak_elo_compute_score(const EloAllocStats* stats) {
     // Normalize each metric (lower is better, so invert)
-    // For now, use simple heuristics
-    const double MAX_CPU_NS = 100000.0;       // 100 microseconds
-    const double MAX_PAGE_FAULTS = 1000.0;
-    const double MAX_BYTES_LIVE = 100000000.0; // 100MB
-
-    double cpu_score = 1.0 - fmin(stats->cpu_ns / MAX_CPU_NS, 1.0);
-    double pf_score = 1.0 - fmin(stats->page_faults / MAX_PAGE_FAULTS, 1.0);
-    double mem_score = 1.0 - fmin(stats->bytes_live / MAX_BYTES_LIVE, 1.0);
+    // Using constants defined at file scope for maintainability
+    double cpu_score = 1.0 - fmin(stats->cpu_ns / ELO_MAX_CPU_NS, 1.0);
+    double pf_score = 1.0 - fmin(stats->page_faults / ELO_MAX_PAGE_FAULTS, 1.0);
+    double mem_score = 1.0 - fmin(stats->bytes_live / ELO_MAX_BYTES_LIVE, 1.0);
 
     // Weighted combination: 40% CPU, 30% PageFaults, 30% Memory
     return 0.4 * cpu_score + 0.3 * pf_score + 0.3 * mem_score;