diff --git a/dlls/mscoree/assembly.c b/dlls/mscoree/assembly.c
index a1e3dc7478b..13e7f03e4da 100644
--- a/dlls/mscoree/assembly.c
+++ b/dlls/mscoree/assembly.c
@@ -92,7 +92,7 @@ static inline LPWSTR strdupW(LPCWSTR src)
     return dest;
 }
 
-void* assembly_rva_to_va(ASSEMBLY *assembly, ULONG rva)
+static void* assembly_rva_to_va(ASSEMBLY *assembly, ULONG rva)
 {
     if (assembly->is_mapped_file)
         return ImageRvaToVa(assembly->nthdr, assembly->data, rva, NULL);
@@ -190,7 +190,7 @@ static HRESULT parse_pe_header(ASSEMBLY *assembly)
     return S_OK;
 }
 
-HRESULT parse_headers(ASSEMBLY *assembly)
+static HRESULT parse_headers(ASSEMBLY *assembly)
 {
     HRESULT hr;
 
diff --git a/dlls/mscoree/mscoree_private.h b/dlls/mscoree/mscoree_private.h
index 357914f881c..69f285c3405 100644
--- a/dlls/mscoree/mscoree_private.h
+++ b/dlls/mscoree/mscoree_private.h
@@ -35,7 +35,6 @@ typedef struct _VTableFixup {
 
 typedef struct tagASSEMBLY ASSEMBLY;
 
-extern void* assembly_rva_to_va(ASSEMBLY *assembly, ULONG rva) DECLSPEC_HIDDEN;
 extern HRESULT assembly_create(ASSEMBLY **out, LPCWSTR file) DECLSPEC_HIDDEN;
 extern HRESULT assembly_from_hmodule(ASSEMBLY **out, HMODULE hmodule) DECLSPEC_HIDDEN;
 extern HRESULT assembly_release(ASSEMBLY *assembly) DECLSPEC_HIDDEN;