diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6018181e..c3a8d386 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 Version XXX:
 
+* moved-from dynamic buffers do not clear if different allocator
 * fix erase field
 
 --------------------------------------------------------------------------------
diff --git a/include/boost/beast/core/impl/flat_buffer.hpp b/include/boost/beast/core/impl/flat_buffer.hpp
index 83d3b4e7..e0792e0c 100644
--- a/include/boost/beast/core/impl/flat_buffer.hpp
+++ b/include/boost/beast/core/impl/flat_buffer.hpp
@@ -124,8 +124,6 @@ basic_flat_buffer(
         end_ = nullptr;
         max_ = other.max_;
         copy_from(other);
-        other.clear();
-        other.shrink_to_fit();
         return;
     }
 
@@ -436,8 +434,6 @@ move_assign(basic_flat_buffer& other, std::false_type)
     if(this->get() != other.get())
     {
         copy_from(other);
-        other.clear();
-        other.shrink_to_fit();
     }
     else
     {
diff --git a/include/boost/beast/core/impl/multi_buffer.hpp b/include/boost/beast/core/impl/multi_buffer.hpp
index 29a10fa1..0d8b1b42 100644
--- a/include/boost/beast/core/impl/multi_buffer.hpp
+++ b/include/boost/beast/core/impl/multi_buffer.hpp
@@ -502,8 +502,6 @@ basic_multi_buffer(
     {
         out_ = list_.end();
         copy_from(other);
-        other.clear();
-        other.shrink_to_fit();
         return;
     }
 
@@ -1060,8 +1058,6 @@ move_assign(basic_multi_buffer& other, std::false_type)
     if(this->get() != other.get())
     {
         copy_from(other);
-        other.clear();
-        other.shrink_to_fit();
     }
     else
     {
diff --git a/include/boost/beast/http/impl/fields.hpp b/include/boost/beast/http/impl/fields.hpp
index f3d609e8..dde92b92 100644
--- a/include/boost/beast/http/impl/fields.hpp
+++ b/include/boost/beast/http/impl/fields.hpp
@@ -382,7 +382,6 @@ basic_fields(basic_fields&& other, Allocator const& alloc)
     if(this->get() != other.get())
     {
         copy_all(other);
-        other.clear_all();
     }
     else
     {
@@ -1139,7 +1138,6 @@ move_assign(basic_fields& other, std::false_type)
     if(this->get() != other.get())
     {
         copy_all(other);
-        other.clear_all();
     }
     else
     {
diff --git a/test/beast/core/flat_buffer.cpp b/test/beast/core/flat_buffer.cpp
index 274b6ed4..df7b06a9 100644
--- a/test/beast/core/flat_buffer.cpp
+++ b/test/beast/core/flat_buffer.cpp
@@ -103,8 +103,8 @@ public:
                 ostream(b1) << "Hello";
                 a_neq_t a;
                 basic_flat_buffer<a_neq_t> b2{std::move(b1), a};
-                BEAST_EXPECT(b1.size() == 0);
-                BEAST_EXPECT(b1.capacity() == 0);
+                BEAST_EXPECT(b1.size() != 0);
+                BEAST_EXPECT(b1.capacity() != 0);
                 BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
                 BEAST_EXPECT(b1.max_size() == b2.max_size());
             }
@@ -186,8 +186,8 @@ public:
                 basic_flat_buffer<na_t> b2;
                 b2 = std::move(b1);
                 BEAST_EXPECT(b1.get_allocator() != b2.get_allocator());
-                BEAST_EXPECT(b1.size() == 0);
-                BEAST_EXPECT(b1.capacity() == 0);
+                BEAST_EXPECT(b1.size() != 0);
+                BEAST_EXPECT(b1.capacity() != 0);
                 BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
             }
             {
diff --git a/test/beast/core/multi_buffer.cpp b/test/beast/core/multi_buffer.cpp
index 095af9be..223ec948 100644
--- a/test/beast/core/multi_buffer.cpp
+++ b/test/beast/core/multi_buffer.cpp
@@ -237,8 +237,8 @@ public:
                 ostream(b1) << "Hello";
                 unequal_t a;
                 basic_multi_buffer<unequal_t> b2{std::move(b1), a};
-                BEAST_EXPECT(b1.size() == 0);
-                BEAST_EXPECT(b1.capacity() == 0);
+                BEAST_EXPECT(b1.size() != 0);
+                BEAST_EXPECT(b1.capacity() != 0);
                 BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
                 BEAST_EXPECT(b1.max_size() == b2.max_size());
             }
@@ -300,8 +300,8 @@ public:
                 basic_multi_buffer<na_t> b2;
                 b2 = std::move(b1);
                 BEAST_EXPECT(b1.get_allocator() != b2.get_allocator());
-                BEAST_EXPECT(b1.size() == 0);
-                BEAST_EXPECT(b1.capacity() == 0);
+                BEAST_EXPECT(b1.size() != 0);
+                BEAST_EXPECT(b1.capacity() != 0);
                 BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
             }
             {