diff --git a/core/hakmem_super_registry.c b/core/hakmem_super_registry.c
index c25240e1..3557ae18 100644
--- a/core/hakmem_super_registry.c
+++ b/core/hakmem_super_registry.c
@@ -276,12 +276,16 @@ void hak_ss_lru_touch(SuperSlab* ss) {
 // Evict one SuperSlab from tail (oldest)
 // Returns: 1 if evicted, 0 if cache is empty
 static int ss_lru_evict_one(void) {
+#if !HAKMEM_BUILD_RELEASE
     // Debug logging flag (lazy init)
     static int dbg = -1;
     if (__builtin_expect(dbg == -1, 0)) {
         const char* e = getenv("HAKMEM_SS_LRU_DEBUG");
         dbg = (e && *e && *e != '0') ? 1 : 0;
     }
+#else
+    static const int dbg = 0;
+#endif
 
     SuperSlab* victim = g_ss_lru_cache.lru_tail;
     if (!victim) return 0;
@@ -368,12 +372,16 @@ SuperSlab* hak_ss_lru_pop(uint8_t size_class) {
         return NULL;
     }
 
+#if !HAKMEM_BUILD_RELEASE
     // Debug logging flag (lazy init)
     static __thread int dbg = -1;
     if (__builtin_expect(dbg == -1, 0)) {
         const char* e = getenv("HAKMEM_SS_LRU_DEBUG");
         dbg = (e && *e && *e != '0') ? 1 : 0;
     }
+#else
+    static const int dbg = 0;
+#endif
 
     pthread_mutex_lock(&g_super_reg_lock);
 
@@ -486,12 +494,16 @@ int hak_ss_lru_push(SuperSlab* ss) {
         hak_ss_lru_init();
     }
 
+#if !HAKMEM_BUILD_RELEASE
     // Debug logging flag (lazy init)
     static __thread int dbg = -1;
     if (__builtin_expect(dbg == -1, 0)) {
         const char* e = getenv("HAKMEM_SS_LRU_DEBUG");
         dbg = (e && *e && *e != '0') ? 1 : 0;
     }
+#else
+    static const int dbg = 0;
+#endif
 
     pthread_mutex_lock(&g_super_reg_lock);