diff --git a/test/beast/websocket/_detail_decorator.cpp b/test/beast/websocket/_detail_decorator.cpp
index fe51f6f0..116eefce 100644
--- a/test/beast/websocket/_detail_decorator.cpp
+++ b/test/beast/websocket/_detail_decorator.cpp
@@ -139,7 +139,6 @@ public:
     void
     run() override
     {
-        log << "sizeof(decorator)==" << sizeof(decorator) << "\n";
         testDecorator();
     }
 };
diff --git a/test/beast/websocket/stream.cpp b/test/beast/websocket/stream.cpp
index 5b1028d0..b9e1d8f0 100644
--- a/test/beast/websocket/stream.cpp
+++ b/test/beast/websocket/stream.cpp
@@ -189,11 +189,6 @@ public:
             stream<test::stream&>>::value);
     #endif
 
-        log << "sizeof(websocket::stream) == " <<
-            sizeof(websocket::stream<test::stream&>) << std::endl;
-        log << "sizeof(websocket::stream::impl_type) == " <<
-            sizeof(websocket::stream<test::stream&>::impl_type) << std::endl;
-
         testOptions();
         testJavadoc();
     }
diff --git a/test/beast/zlib/deflate_stream.cpp b/test/beast/zlib/deflate_stream.cpp
index 8fc6db31..02e8fc6c 100644
--- a/test/beast/zlib/deflate_stream.cpp
+++ b/test/beast/zlib/deflate_stream.cpp
@@ -638,10 +638,6 @@ public:
     void
     run() override
     {
-        log <<
-            "sizeof(deflate_stream) == " <<
-            sizeof(deflate_stream) << std::endl;
-
         testDeflate(zlib_compressor);
         testDeflate(beast_compressor);
         testInvalidSettings(zlib_compressor);
diff --git a/test/beast/zlib/inflate_stream.cpp b/test/beast/zlib/inflate_stream.cpp
index fbd4371c..35a3f264 100644
--- a/test/beast/zlib/inflate_stream.cpp
+++ b/test/beast/zlib/inflate_stream.cpp
@@ -637,9 +637,6 @@ public:
     void
     run() override
     {
-        log <<
-            "sizeof(inflate_stream) == " <<
-            sizeof(inflate_stream) << std::endl;
         testInflate(zlib_decompressor);
         testInflate(beast_decompressor);
         testInflateErrors(zlib_decompressor);