diff --git a/CMakeModules/ModuleInstall.cmake b/CMakeModules/ModuleInstall.cmake
index bb3be63..356edcd 100644
--- a/CMakeModules/ModuleInstall.cmake
+++ b/CMakeModules/ModuleInstall.cmake
@@ -21,7 +21,7 @@ SOURCE_GROUP(
     FILES ${TARGET_H}
 )
 
-IF(MSVC AND OSG_MSVC_VERSIONED_DLL)
+IF(0)
     HANDLE_MSVC_DLL()
 ENDIF()
 
@@ -33,7 +33,7 @@ INSTALL(
 )
 
 IF(MSVC AND DYNAMIC_OPENSCENEGRAPH)
-    GET_TARGET_PROPERTY(PREFIX ${LIB_NAME} PREFIX)
+    set(PREFIX "")
     INSTALL(FILES ${OUTPUT_BINDIR}/${PREFIX}${LIB_NAME}${CMAKE_RELWITHDEBINFO_POSTFIX}.pdb DESTINATION ${INSTALL_BINDIR} COMPONENT libopenscenegraph CONFIGURATIONS RelWithDebInfo)
     INSTALL(FILES ${OUTPUT_BINDIR}/${PREFIX}${LIB_NAME}${CMAKE_DEBUG_POSTFIX}.pdb DESTINATION ${INSTALL_BINDIR} COMPONENT libopenscenegraph CONFIGURATIONS Debug)
 ENDIF(MSVC AND DYNAMIC_OPENSCENEGRAPH)
diff --git a/src/OpenThreads/win32/CMakeLists.txt b/src/OpenThreads/win32/CMakeLists.txt
index 84550bd..0e816f7 100644
--- a/src/OpenThreads/win32/CMakeLists.txt
+++ b/src/OpenThreads/win32/CMakeLists.txt
@@ -39,7 +39,7 @@ LINK_DIRECTORIES(
     ${CMAKE_CURRENT_BINARY_DIR}
 )
 
-IF(MSVC AND OSG_MSVC_VERSIONED_DLL)
+IF(0)
     HANDLE_MSVC_DLL(ot ${OPENTHREADS_SOVERSION})
 ENDIF()