diff --git a/doc/v2/introduction.qbk b/doc/v2/introduction.qbk
index 18029c3c..f762296e 100644
--- a/doc/v2/introduction.qbk
+++ b/doc/v2/introduction.qbk
@@ -73,14 +73,6 @@ Instead of using ascii-APIs on windows, process V2 just assumes UTF-8 everywhere
 
 [endsect]
 
-[section:src Separate compilation]
-
-Boost.process v2 supports separate compilation similar to other boost libraries. 
-It can be achieved by defining `BOOST_PROCESS_V2_SEPARATE_COMPILATION` and including 
-`<process/v2/src.hpp>` in a single compile unit.
-
-[endsect]
-
 [section:limit_fd Fd safe by default]
 
 While not a problem on windows (since HANDLEs get manually enabled for inheritance),
diff --git a/include/boost/process/v2/ext/cmd.hpp b/include/boost/process/v2/ext/cmd.hpp
index 494df858..6308885e 100644
--- a/include/boost/process/v2/ext/cmd.hpp
+++ b/include/boost/process/v2/ext/cmd.hpp
@@ -36,7 +36,7 @@ BOOST_PROCESS_V2_DECL shell cmd(HANDLE handle);
 #endif
 
 template<typename Executor>
-BOOST_PROCESS_V2_DECL shell cmd(basic_process_handle<Executor> & handle, error_code & ec)
+inline shell cmd(basic_process_handle<Executor> & handle, error_code & ec)
 {
 #if defined(BOOST_PROCESS_V2_WINDOWS)
     return cmd(handle.native_handle(), ec);
@@ -46,7 +46,7 @@ BOOST_PROCESS_V2_DECL shell cmd(basic_process_handle<Executor> & handle, error_c
 }
 
 template<typename Executor>
-BOOST_PROCESS_V2_DECL shell cmd(basic_process_handle<Executor> & handle)
+inline shell cmd(basic_process_handle<Executor> & handle)
 {
 #if defined(BOOST_PROCESS_V2_WINDOWS)
     return cmd(handle.native_handle());
diff --git a/include/boost/process/v2/ext/cwd.hpp b/include/boost/process/v2/ext/cwd.hpp
index 703b1ac3..07e76cf3 100644
--- a/include/boost/process/v2/ext/cwd.hpp
+++ b/include/boost/process/v2/ext/cwd.hpp
@@ -27,7 +27,7 @@ BOOST_PROCESS_V2_DECL filesystem::path cwd(pid_type pid, error_code & ec);
 BOOST_PROCESS_V2_DECL filesystem::path cwd(pid_type pid);
 
 template<typename Executor>
-BOOST_PROCESS_V2_DECL filesystem::path cwd(basic_process_handle<Executor> & handle, error_code & ec)
+inline filesystem::path cwd(basic_process_handle<Executor> & handle, error_code & ec)
 {
 #if defined(BOOST_PROCESS_V2_WINDOWS)
     return cwd(handle.native_handle(), ec);
@@ -37,7 +37,7 @@ BOOST_PROCESS_V2_DECL filesystem::path cwd(basic_process_handle<Executor> & hand
 }
 
 template<typename Executor>
-BOOST_PROCESS_V2_DECL filesystem::path cwd(basic_process_handle<Executor> & handle)
+inline filesystem::path cwd(basic_process_handle<Executor> & handle)
 {
 #if defined(BOOST_PROCESS_V2_WINDOWS)
     return cwd(handle.native_handle());
diff --git a/include/boost/process/v2/ext/env.hpp b/include/boost/process/v2/ext/env.hpp
index 9a30a7fd..8c634739 100644
--- a/include/boost/process/v2/ext/env.hpp
+++ b/include/boost/process/v2/ext/env.hpp
@@ -120,7 +120,7 @@ BOOST_PROCESS_V2_DECL env_view env(pid_type pid, error_code & ec);
 BOOST_PROCESS_V2_DECL env_view env(pid_type pid);
 
 template<typename Executor>
-BOOST_PROCESS_V2_DECL env_view env(basic_process_handle<Executor> & handle, error_code & ec)
+inline env_view env(basic_process_handle<Executor> & handle, error_code & ec)
 {
 #if defined(BOOST_PROCESS_V2_WINDOWS)
     return env(handle.native_handle(), ec);
@@ -130,7 +130,7 @@ BOOST_PROCESS_V2_DECL env_view env(basic_process_handle<Executor> & handle, erro
 }
 
 template<typename Executor>
-BOOST_PROCESS_V2_DECL env_view env(basic_process_handle<Executor> & handle)
+inline env_view env(basic_process_handle<Executor> & handle)
 {
 #if defined(BOOST_PROCESS_V2_WINDOWS)
   return env(handle.native_handle());