diff --git a/linker/linker_allocator.cpp b/linker/linker_allocator.cpp
index dc6dfc1..f81f78d 100644
--- a/linker/linker_allocator.cpp
+++ b/linker/linker_allocator.cpp
@@ -196,8 +196,6 @@
 
   prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, map_ptr, PAGE_SIZE, "linker_alloc_small_objects");
 
-  memset(map_ptr, 0, PAGE_SIZE);
-
   page_info* info = reinterpret_cast<page_info*>(map_ptr);
   memcpy(info->signature, kSignature, sizeof(kSignature));
   info->type = type_;
@@ -243,8 +241,6 @@
 
   prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, map_ptr, allocated_size, "linker_alloc_lob");
 
-  memset(map_ptr, 0, allocated_size);
-
   page_info* info = reinterpret_cast<page_info*>(map_ptr);
   memcpy(info->signature, kSignature, sizeof(kSignature));
   info->type = kLargeObject;
diff --git a/linker/linker_block_allocator.cpp b/linker/linker_block_allocator.cpp
index 23298a4..1211b98 100644
--- a/linker/linker_block_allocator.cpp
+++ b/linker/linker_block_allocator.cpp
@@ -113,8 +113,6 @@
 
   prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, page, PAGE_SIZE, "linker_alloc");
 
-  memset(page, 0, PAGE_SIZE);
-
   FreeBlockInfo* first_block = reinterpret_cast<FreeBlockInfo*>(page->bytes);
   first_block->next_block = free_block_list_;
   first_block->num_free_blocks = (PAGE_SIZE - sizeof(LinkerBlockAllocatorPage*))/block_size_;