diff --git a/libs/ardour/control_protocol_manager.cc b/libs/ardour/control_protocol_manager.cc
index 49b3d07761..f3dc4f8c17 100644
--- a/libs/ardour/control_protocol_manager.cc
+++ b/libs/ardour/control_protocol_manager.cc
@@ -245,32 +245,9 @@ ControlProtocolManager::discover_control_protocols ()
 {
 	vector<std::string> cp_modules;
 
-#ifdef COMPILER_MSVC
-   /**
-    * Different build targets (Debug / Release etc) use different versions
-    * of the 'C' runtime (which can't be 'mixed & matched'). Therefore, in
-    * case the supplied search path contains multiple version(s) of a given
-    * module, only select the one(s) which match the current build target
-    */
-	#if defined (_DEBUG)
-		Glib::PatternSpec dll_extension_pattern("*D.dll");
-	#elif defined (RDC_BUILD)
-		Glib::PatternSpec dll_extension_pattern("*RDC.dll");
-	#elif defined (_WIN64)
-		Glib::PatternSpec dll_extension_pattern("*64.dll");
-	#else
-		Glib::PatternSpec dll_extension_pattern("*32.dll");
-	#endif
-#else
-	Glib::PatternSpec dll_extension_pattern("*.dll");
-#endif
-
 	Glib::PatternSpec so_extension_pattern("*.so");
 	Glib::PatternSpec dylib_extension_pattern("*.dylib");
 
-	find_matching_files_in_search_path (control_protocol_search_path (),
-					    dll_extension_pattern, cp_modules);
-
 	find_matching_files_in_search_path (control_protocol_search_path (),
 					    so_extension_pattern, cp_modules);