diff --git a/ggml/src/vulkan-shaders/vulkan-shaders-gen.cpp b/ggml/src/vulkan-shaders/vulkan-shaders-gen.cpp
index 02247481d..5d6d8ca48 100644
--- a/ggml/src/vulkan-shaders/vulkan-shaders-gen.cpp
+++ b/ggml/src/vulkan-shaders/vulkan-shaders-gen.cpp
@@ -42,7 +42,7 @@ void string_to_spv(const std::string& _name, const std::string& in_fname, const
 std::map<std::string, std::string> merge_maps(const std::map<std::string, std::string>& a, const std::map<std::string, std::string>& b);
 void matmul_shaders(std::vector<std::future<void>>& tasks, bool fp16, bool matmul_id);
 void process_shaders(std::vector<std::future<void>>& tasks);
-void write_output_files(void);
+void write_output_files();
 
 std::mutex lock;
 std::vector<std::pair<std::string, std::string>> shader_fnames;