diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h
index 57761af3..cfb02634 100644
--- a/include/vkd3d_shader.h
+++ b/include/vkd3d_shader.h
@@ -569,7 +569,6 @@ void vkd3d_shader_free_shader_code(struct vkd3d_shader_code *code);
 int vkd3d_shader_parse_root_signature(const struct vkd3d_shader_code *dxbc,
         struct vkd3d_versioned_root_signature_desc *root_signature);
 void vkd3d_shader_free_root_signature(struct vkd3d_versioned_root_signature_desc *root_signature);
-void vkd3d_shader_free_root_signature_v_1_0(struct vkd3d_root_signature_desc *root_signature);
 
 /* FIXME: Add support for returning error messages (ID3DBlob). */
 int vkd3d_shader_serialize_root_signature(const struct vkd3d_versioned_root_signature_desc *root_signature,
@@ -602,7 +601,6 @@ typedef void (*PFN_vkd3d_shader_free_shader_code)(struct vkd3d_shader_code *code
 typedef int (*PFN_vkd3d_shader_parse_root_signature)(const struct vkd3d_shader_code *dxbc,
         struct vkd3d_versioned_root_signature_desc *root_signature);
 typedef void (*PFN_vkd3d_shader_free_root_signature)(struct vkd3d_versioned_root_signature_desc *root_signature);
-typedef void (*PFN_vkd3d_shader_free_root_signature_v_1_0)(struct vkd3d_root_signature_desc *root_signature);
 
 typedef int (*PFN_vkd3d_shader_serialize_root_signature)(
         const struct vkd3d_versioned_root_signature_desc *root_signature, struct vkd3d_shader_code *dxbc);
diff --git a/libs/vkd3d-shader/vkd3d_shader.map b/libs/vkd3d-shader/vkd3d_shader.map
index c2cfcbd8..74c38e1f 100644
--- a/libs/vkd3d-shader/vkd3d_shader.map
+++ b/libs/vkd3d-shader/vkd3d_shader.map
@@ -5,7 +5,6 @@ global:
     vkd3d_shader_convert_root_signature;
     vkd3d_shader_find_signature_element;
     vkd3d_shader_free_root_signature;
-    vkd3d_shader_free_root_signature_v_1_0;
     vkd3d_shader_free_shader_code;
     vkd3d_shader_free_shader_signature;
     vkd3d_shader_parse_input_signature;
diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index ef491f75..9848202a 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -327,7 +327,7 @@ void vkd3d_shader_free_shader_code(struct vkd3d_shader_code *shader_code)
     vkd3d_free((void *)shader_code->code);
 }
 
-void vkd3d_shader_free_root_signature_v_1_0(struct vkd3d_root_signature_desc *root_signature)
+static void vkd3d_shader_free_root_signature_v_1_0(struct vkd3d_root_signature_desc *root_signature)
 {
     unsigned int i;
 
@@ -344,28 +344,10 @@ void vkd3d_shader_free_root_signature_v_1_0(struct vkd3d_root_signature_desc *ro
     memset(root_signature, 0, sizeof(*root_signature));
 }
 
-void vkd3d_shader_free_root_signature(struct vkd3d_versioned_root_signature_desc *desc)
+static void vkd3d_shader_free_root_signature_v_1_1(struct vkd3d_root_signature_desc1 *root_signature)
 {
-    struct vkd3d_root_signature_desc1 *root_signature;
     unsigned int i;
 
-    if (!desc->version)
-        return;
-
-    if (desc->version == VKD3D_ROOT_SIGNATURE_VERSION_1_0)
-    {
-        vkd3d_shader_free_root_signature_v_1_0(&desc->u.v_1_0);
-        return;
-    }
-
-    if (desc->version != VKD3D_ROOT_SIGNATURE_VERSION_1_1)
-    {
-        FIXME("Unknown version %#x.\n", desc->version);
-        return;
-    }
-
-    root_signature = &desc->u.v_1_1;
-
     for (i = 0; i < root_signature->parameter_count; ++i)
     {
         const struct vkd3d_root_parameter1 *parameter = &root_signature->parameters[i];
@@ -379,6 +361,25 @@ void vkd3d_shader_free_root_signature(struct vkd3d_versioned_root_signature_desc
     memset(root_signature, 0, sizeof(*root_signature));
 }
 
+void vkd3d_shader_free_root_signature(struct vkd3d_versioned_root_signature_desc *desc)
+{
+    if (desc->version == VKD3D_ROOT_SIGNATURE_VERSION_1_0)
+    {
+        vkd3d_shader_free_root_signature_v_1_0(&desc->u.v_1_0);
+    }
+    else if (desc->version == VKD3D_ROOT_SIGNATURE_VERSION_1_1)
+    {
+        vkd3d_shader_free_root_signature_v_1_1(&desc->u.v_1_1);
+    }
+    else if (desc->version)
+    {
+        FIXME("Unknown version %#x.\n", desc->version);
+        return;
+    }
+
+    desc->version = 0;
+}
+
 int vkd3d_shader_parse_input_signature(const struct vkd3d_shader_code *dxbc,
         struct vkd3d_shader_signature *signature)
 {