diff --git a/ggml/src/ggml-opencl/ggml-opencl.cpp b/ggml/src/ggml-opencl/ggml-opencl.cpp
index c66507eccd..1de2ecbf04 100644
--- a/ggml/src/ggml-opencl/ggml-opencl.cpp
+++ b/ggml/src/ggml-opencl/ggml-opencl.cpp
@@ -7582,7 +7582,6 @@ static void ggml_cl_concat(ggml_backend_t backend, const ggml_tensor * src0, con
     GGML_ASSERT(dst->type == GGML_TYPE_F32);
 
     ggml_backend_opencl_context *backend_ctx = (ggml_backend_opencl_context *)backend->context;
-    cl_command_queue queue = backend_ctx->queue;
 
     ggml_tensor_extra_cl * extra0 = (ggml_tensor_extra_cl *)src0->extra;
     ggml_tensor_extra_cl * extra1 = (ggml_tensor_extra_cl *)src1->extra;
@@ -8343,6 +8342,7 @@ static void ggml_cl_mul_mat_q8_0_f32_adreno(ggml_backend_t backend, const ggml_t
     CL_CHECK(clReleaseMemObject(D_sub_buffer));
     CL_CHECK(clReleaseMemObject(D_image1d));
 #else
+    GGML_UNUSED(backend);
     GGML_UNUSED(src0);
     GGML_UNUSED(src1);
     GGML_UNUSED(dst);