diff --git a/test/expand_bwd_test_allocator.hpp b/test/expand_bwd_test_allocator.hpp
index 925858a..2e16093 100644
--- a/test/expand_bwd_test_allocator.hpp
+++ b/test/expand_bwd_test_allocator.hpp
@@ -79,7 +79,7 @@ class expand_bwd_test_allocator
    {  typedef expand_bwd_test_allocator<T2>   other;   };
 
    //!Constructor from the segment manager. Never throws
-   expand_bwd_test_allocator(T *buffer = 0, size_type sz = 0, difference_type offset = 0)
+   expand_bwd_test_allocator(T *buffer, size_type sz, difference_type offset)
       : mp_buffer(buffer), m_size(sz)
       , m_offset(offset),  m_allocations(0){ }
 
diff --git a/test/scoped_allocator_usage_test.cpp b/test/scoped_allocator_usage_test.cpp
index d12e4fa..8cf9311 100644
--- a/test/scoped_allocator_usage_test.cpp
+++ b/test/scoped_allocator_usage_test.cpp
@@ -31,7 +31,7 @@ class SimpleAllocator
 public:
    typedef Ty value_type;
 
-   explicit SimpleAllocator(int value = 0)
+   explicit SimpleAllocator(int value)
       : m_state(value)
    {}