diff --git a/meson.build b/meson.build
index 93b0eca..870240d 100644
--- a/meson.build
+++ b/meson.build
@@ -32,11 +32,6 @@ if meson.get_compiler('c').get_id() != 'msvc'
         '-static-libgcc',
         language: 'c',
     )
-else
-    add_project_arguments(
-        '/wd4090', # different 'const' qualifiers
-        language: 'c',
-    )
 endif
 
 cc = meson.get_compiler('c')
diff --git a/platform/cert.c b/platform/cert.c
index d65b841..3a565e0 100644
--- a/platform/cert.c
+++ b/platform/cert.c
@@ -82,7 +82,7 @@ static void ca_error_cb(HINTERNET hInternet, DWORD_PTR dwContext, DWORD dwIntern
 static const struct hook_symbol cert_syms[] = {
     {
         .name   = "CertFindCertificateInStore",
-        .patch  = my_CertFindCertificateInStore,
+        .patch  = (void *) my_CertFindCertificateInStore,
         .link   = (void **) &next_CertFindCertificateInStore,
     },
     {
@@ -116,13 +116,13 @@ HRESULT cert_hook_init(const struct cert_config *cfg)
     proc_addr_table_push(
         NULL,
         "crypt32.dll",
-        (struct hook_symbol *) cert_syms,
+        cert_syms,
         _countof(cert_syms));
 
     proc_addr_table_push(
         NULL,
         "Winhttp.dll",
-        (struct hook_symbol *) winhttp_syms,
+        winhttp_syms,
         _countof(winhttp_syms));
     
     if (cfg->path[0] != L'\0') {
@@ -196,7 +196,7 @@ void cert_hook_insert_hooks(HMODULE target)
     hook_table_apply(
         target,
         "winhttp.dll",
-        (struct hook_symbol *) winhttp_syms,
+        winhttp_syms,
         _countof(winhttp_syms));
 }