--- libmalloc/libmalloc-317.140.5/src/malloc.c
+++ libmalloc/libmalloc-317.100.9/src/malloc.c
@@ -202,24 +202,6 @@
 }
 #endif /* TARGET_OS_OSX */
 
-
-#define LIBMALLOC_EXPERIMENT_FACTORS_KEY "MallocExperiment="
-#define LIBMALLOC_EXPERIMENT_DISABLE_MEDIUM (1ULL)
-static void
-__malloc_init_experiments(const char *str)
-{
-	uint64_t experiment_factors = 0;
-	str = strchr(str, '=');
-	if (str) {
-		experiment_factors = strtoull_l(str + 1, NULL, 16, NULL);
-	}
-	switch (experiment_factors) {
-	case LIBMALLOC_EXPERIMENT_DISABLE_MEDIUM:
-		magazine_medium_enabled = false;
-		break;
-	}
-}
-
 static void
 __malloc_init_from_bootargs(const char *bootargs)
 {
@@ -341,7 +323,6 @@
 	}
 
 	const char **p;
-	const char *malloc_experiments = NULL;
 	for (p = apple; p && *p; p++) {
 		if (strstr(*p, "malloc_entropy") == *p) {
 			int count = __entropy_from_kernel(*p);
@@ -350,9 +331,7 @@
 			if (sizeof(malloc_entropy) / sizeof(malloc_entropy[0]) == count) {
 				_malloc_entropy_initialized = true;
 			}
-		}
-		if (strstr(*p, LIBMALLOC_EXPERIMENT_FACTORS_KEY) == *p) {
-			malloc_experiments = *p;
+			break;
 		}
 	}
 	if (!_malloc_entropy_initialized) {
@@ -360,9 +339,6 @@
 		_malloc_entropy_initialized = true;
 	}
 
-	if (malloc_experiments) {
-		__malloc_init_experiments(malloc_experiments);
-	}
 	__malloc_init_from_bootargs(bootargs);
 	mvm_aslr_init();