diff --git a/reactos/cmake/midl-support.cmake b/reactos/cmake/midl-support.cmake
index 23973e5ccc3..662965f2323 100644
--- a/reactos/cmake/midl-support.cmake
+++ b/reactos/cmake/midl-support.cmake
@@ -25,9 +25,8 @@ function(add_idl_headers TARGET)
     get_defines(_defines)
     foreach(_idl_file ${ARGN})
         get_filename_component(_name_we ${_idl_file} NAME_WE)
-        #set(_name ${CMAKE_CURRENT_BINARY_DIR}/${_name_we})
         add_custom_command(
-            OUTPUT ${_name_we}.h ${_name_we}_dummy_i.c
+            OUTPUT ${_name_we}.h
             COMMAND midl ${_includes} ${_defines} ${IDL_FLAGS} /h ${_name_we}.h /iid ${_name_we}_dummy_i.c ${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file}
             DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file})
         list(APPEND _target_dependencies ${_name_we}.h)
@@ -38,15 +37,15 @@ endfunction()
 function(add_rpcproxy_files)
     get_includes(_includes)
     get_defines(_defines)
-    set(_output_files "")
+    set(_chain_dependency "")
     foreach(_idl_file ${ARGN})
         get_filename_component(_name_we ${_idl_file} NAME_WE)
         add_custom_command(
             OUTPUT ${_name_we}_p.c ${_name_we}_p.h proxy.dlldata.c
             COMMAND midl ${_includes} ${_defines} ${IDL_FLAGS} /proxy ${_name_we}_p.c /h ${_name_we}_p.h /dlldata proxy.dlldata.c ${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file}
-            DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file} ${_output_files})
-        list(APPEND _output_files ${CMAKE_CURRENT_BINARY_DIR}/${_name_we}_p.c)
-        list(APPEND _output_files ${CMAKE_CURRENT_BINARY_DIR}/${_name_we}_p.h)
+            DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file} ${_chain_dependency})
+        list(APPEND _chain_dependency ${CMAKE_CURRENT_BINARY_DIR}/${_name_we}_p.c)
+        list(APPEND _chain_dependency ${CMAKE_CURRENT_BINARY_DIR}/${_name_we}_p.h)
     endforeach()
     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/proxy.dlldata.c PROPERTIES GENERATED TRUE)
 endfunction()
@@ -64,16 +63,16 @@ function(add_rpc_files _type)
     else()
         message(FATAL_ERROR "Please pass either server or client as argument to add_rpc_files")
     endif()
-    foreach(FILE ${ARGN})
-        get_filename_component(_name_we ${FILE} NAME_WE)
-        set(_name_we ${CMAKE_CURRENT_BINARY_DIR}/${_name_we}${_suffix})
-        if(NOT IS_ABSOLUTE ${FILE})
-            set(FILE ${CMAKE_CURRENT_SOURCE_DIR}/${FILE})
+    foreach(_idl_file ${ARGN})
+        if(NOT IS_ABSOLUTE ${_idl_file})
+            set(_idl_file ${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file})
         endif()
+        get_filename_component(_name_we ${_idl_file} NAME_WE)
+        set(_name_we ${_name_we}${_suffix})
         add_custom_command(
             OUTPUT ${_name_we}.c ${_name_we}.h
-            COMMAND midl ${_includes} ${_defines} ${IDL_FLAGS} /h ${_name_we}.h ${_server_client} ${_name_we}.c ${FILE}
-            DEPENDS ${FILE})
+            COMMAND midl ${_includes} ${_defines} ${IDL_FLAGS} /h ${_name_we}.h ${_server_client} ${_name_we}.c ${_idl_file}
+            DEPENDS ${_idl_file})
     endforeach()
 endfunction()
 
@@ -81,8 +80,7 @@ function(generate_idl_iids _idl_file)
     get_includes(_includes)
     get_defines(_defines)
 
-    get_filename_component(_name ${_idl_file} NAME)
-    if(_name STREQUAL "${_idl_file}")
+    if(NOT IS_ABSOLUTE ${_idl_file})
         set(_idl_file "${CMAKE_CURRENT_SOURCE_DIR}/${_idl_file}")
     endif()
 
diff --git a/reactos/dll/win32/gdiplus/CMakeLists.txt b/reactos/dll/win32/gdiplus/CMakeLists.txt
index 14a47231364..5210ceac9b1 100644
--- a/reactos/dll/win32/gdiplus/CMakeLists.txt
+++ b/reactos/dll/win32/gdiplus/CMakeLists.txt
@@ -28,12 +28,6 @@ list(APPEND SOURCE
     ${CMAKE_CURRENT_BINARY_DIR}/gdiplus_stubs.c
     ${CMAKE_CURRENT_BINARY_DIR}/gdiplus.def)
 
-if(MSVC)
-    set_source_files_properties(${REACTOS_BINARY_DIR}/include/psdk/wincodec_i.c PROPERTIES GENERATED TRUE)
-    list(APPEND SOURCE
-        ${REACTOS_BINARY_DIR}/include/psdk/wincodec_i.c)
-endif()
-
 add_library(gdiplus SHARED ${SOURCE})
 set_module_type(gdiplus win32dll)
 target_link_libraries(gdiplus uuid wine)
@@ -49,10 +43,4 @@ add_importlibs(gdiplus
     kernel32
     ntdll)
 
-
-
-if(ARCH MATCHES amd64)
-    target_link_libraries(gdiplus crt)
-endif()
-
 add_cd_file(TARGET gdiplus DESTINATION reactos/system32 FOR all)
diff --git a/reactos/dll/win32/oleaut32/CMakeLists.txt b/reactos/dll/win32/oleaut32/CMakeLists.txt
index 0b9c14af46b..138fbe01bbe 100644
--- a/reactos/dll/win32/oleaut32/CMakeLists.txt
+++ b/reactos/dll/win32/oleaut32/CMakeLists.txt
@@ -47,10 +47,7 @@ list(APPEND SOURCE
     ${CMAKE_CURRENT_BINARY_DIR}/oleaut32.def)
 
 if(MSVC)
-    set_source_files_properties(${REACTOS_BINARY_DIR}/include/psdk/wincodec_i.c PROPERTIES GENERATED TRUE)
-    list(APPEND SOURCE
-        ${REACTOS_BINARY_DIR}/include/psdk/wincodec_i.c
-        msvc.S)
+    list(APPEND SOURCE msvc.S)
 endif()
 
 add_library(oleaut32 SHARED ${SOURCE})
diff --git a/reactos/dll/win32/windowscodecs/CMakeLists.txt b/reactos/dll/win32/windowscodecs/CMakeLists.txt
index f8b14c543f3..222603ecc14 100644
--- a/reactos/dll/win32/windowscodecs/CMakeLists.txt
+++ b/reactos/dll/win32/windowscodecs/CMakeLists.txt
@@ -41,12 +41,6 @@ list(APPEND SOURCE
     ${CMAKE_CURRENT_BINARY_DIR}/windowscodecs_stubs.c
     ${CMAKE_CURRENT_BINARY_DIR}/windowscodecs.def)
 
-if(MSVC)
-    set_source_files_properties(${REACTOS_BINARY_DIR}/include/psdk/wincodec_i.c PROPERTIES GENERATED TRUE)
-    list(APPEND SOURCE
-         ${REACTOS_BINARY_DIR}/include/psdk/wincodec_i.c)
-endif()
-
 add_library(windowscodecs SHARED ${SOURCE})
 
 set_module_type(windowscodecs win32dll)
diff --git a/reactos/lib/sdk/uuid/CMakeLists.txt b/reactos/lib/sdk/uuid/CMakeLists.txt
index 8b2dd887b09..86bfb21eb58 100644
--- a/reactos/lib/sdk/uuid/CMakeLists.txt
+++ b/reactos/lib/sdk/uuid/CMakeLists.txt
@@ -169,6 +169,7 @@ list(APPEND IDL_SOURCES
     tuner.idl
     vmr9.idl
     wia_xp.idl
+    wincodec.idl
     xmldom.idl
     xmldso.idl
     ctfutb.idl
@@ -183,7 +184,6 @@ if(MSVC)
 else()
     list(APPEND IDL_SOURCES
         wbemcli.idl
-        wincodec.idl
         wuapi.idl)
 endif()