diff --git a/libfreerdp/codec/region.c b/libfreerdp/codec/region.c
index 48a794e7b..f47a69f8b 100644
--- a/libfreerdp/codec/region.c
+++ b/libfreerdp/codec/region.c
@@ -427,11 +427,11 @@ static BOOL region16_simplify_bands(REGION16* region)
 		return TRUE;
 
 	RECTANGLE_16* band1 = region16_rects_noconst(region);
-	const RECTANGLE_16* endPtr = band1 + nbRects;
+	RECTANGLE_16* endPtr = band1 + nbRects;
 
 	do
 	{
-		const RECTANGLE_16* band2 = next_band(band1, endPtr, &bandItems);
+		RECTANGLE_16* band2 = next_band(band1, endPtr, &bandItems);
 
 		if (band2 == endPtr)
 			break;
diff --git a/libfreerdp/crypto/privatekey.c b/libfreerdp/crypto/privatekey.c
index 13a77fc61..27277fb09 100644
--- a/libfreerdp/crypto/privatekey.c
+++ b/libfreerdp/crypto/privatekey.c
@@ -499,7 +499,7 @@ char* freerdp_key_get_param(const rdpPrivateKey* key, enum FREERDP_KEY_PARAM par
 
 fail:
 	BN_free(bn);
-	return buf;
+	return (char*)buf;
 }
 
 WINPR_DIGEST_CTX* freerdp_key_digest_sign(rdpPrivateKey* key, WINPR_MD_TYPE digest)
diff --git a/winpr/tools/makecert/makecert.c b/winpr/tools/makecert/makecert.c
index 681709372..5af503ba4 100644
--- a/winpr/tools/makecert/makecert.c
+++ b/winpr/tools/makecert/makecert.c
@@ -735,7 +735,7 @@ static BOOL makecert_create_rsa(EVP_PKEY** ppkey, size_t key_length)
 	if (EVP_PKEY_keygen_init(pctx) != 1)
 		goto fail;
 
-	const unsigned int keylen = key_length;
+	unsigned int keylen = key_length;
 	const OSSL_PARAM params[] = { OSSL_PARAM_construct_uint("bits", &keylen),
 		                          OSSL_PARAM_construct_end() };
 	if (EVP_PKEY_CTX_set_params(pctx, params) != 1)