diff --git a/dlls/fusion/assembly.c b/dlls/fusion/assembly.c
index faef8efdd15..bc187ac91cd 100644
--- a/dlls/fusion/assembly.c
+++ b/dlls/fusion/assembly.c
@@ -811,12 +811,6 @@ HRESULT assembly_get_version(ASSEMBLY *assembly, LPWSTR *version)
     return S_OK;
 }
 
-HRESULT assembly_get_architecture(ASSEMBLY *assembly, DWORD fixme)
-{
-    /* FIXME */
-    return S_OK;
-}
-
 static BYTE *assembly_get_blob(ASSEMBLY *assembly, WORD index, ULONG *size)
 {
     return GetData(&assembly->blobs[index], size);
diff --git a/dlls/fusion/fusionpriv.h b/dlls/fusion/fusionpriv.h
index 363d530313d..4b9bd576d5b 100644
--- a/dlls/fusion/fusionpriv.h
+++ b/dlls/fusion/fusionpriv.h
@@ -433,7 +433,6 @@ HRESULT assembly_release(ASSEMBLY *assembly);
 HRESULT assembly_get_name(ASSEMBLY *assembly, LPWSTR *name);
 HRESULT assembly_get_path(ASSEMBLY *assembly, LPWSTR *path);
 HRESULT assembly_get_version(ASSEMBLY *assembly, LPWSTR *version);
-HRESULT assembly_get_architecture(ASSEMBLY *assembly, DWORD fixme);
 HRESULT assembly_get_pubkey_token(ASSEMBLY *assembly, LPWSTR *token);
 
 static inline LPWSTR strdupW(LPCWSTR src)