diff --git a/ggml/src/ggml-opencl/ggml-opencl.cpp b/ggml/src/ggml-opencl/ggml-opencl.cpp
index d9876e697aae7..db33a4ab6c2e3 100644
--- a/ggml/src/ggml-opencl/ggml-opencl.cpp
+++ b/ggml/src/ggml-opencl/ggml-opencl.cpp
@@ -15,13 +15,12 @@
 
 #include <CL/cl.h>
 
+#include <inttypes.h>
 #include <string.h>
 
 #include <cstddef>
 #include <cstdint>
-#include <atomic>
 #include <fstream>
-#include <limits>
 #include <vector>
 #include <string>
 #include <cmath>
@@ -533,25 +532,17 @@ struct ggml_backend_opencl_context {
         }
 
         // Dump a csv
-        float total_kernel_time = 0;
-        fprintf(fperf, "op name, kernel name, queued duration (ms), submit duration(ms), exec duration (ms), complete duration (ms), total duration (ms), global size, local size, output size\n");
+        fprintf(fperf, "op name, kernel name, exec duration (ms), global size, local size, output size\n");
         for (const ProfilingInfo & info : profiling_info) {
-            total_kernel_time += info.cmd_duration_ns/1.e6f;
-            fprintf(fperf, "%s,%s,%f,%f,%f,%f,%f,%zux%zux%zu,%zux%zux%zu,%zux%zux%zux%zu\n",
+            fprintf(fperf, "%s,%s,%f,%zux%zux%zu,%zux%zux%zu,%zux%zux%zux%zu\n",
                 info.op_name.c_str(), info.kernel_name.c_str(),
-                info.cmd_queued_duration_ns/1.e6f,
-                info.cmd_submit_duration_ns/1.e6f,
                 info.cmd_duration_ns/1.e6f,
-                info.cmd_complete_duration_ns/1.e6f,
-                info.cmd_total_duration_ns/1.e6f,
                 info.global_size[0], info.global_size[1], info.global_size[2],
                 info.local_size[0], info.local_size[1], info.local_size[2],
                 info.output_size[0], info.output_size[1], info.output_size[2], info.output_size[3]);
         }
         fclose(fperf);
 
-        GGML_LOG_INFO("ggml_opencl: total kernel time: %f\n", total_kernel_time);
-
         // Dump a simple chrome trace
         FILE* ftrace = fopen("cl_trace.json", "w");
         if (!ftrace) {
@@ -561,14 +552,14 @@ struct ggml_backend_opencl_context {
 
         fprintf(ftrace, "[\n");
         for (const ProfilingInfo & info : profiling_info) {
-            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"B\", \"ts\": %llu, \"pid\": \"\", \"tid\": \"Host\"},\n",
+            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"B\", \"ts\": %" PRIu64 ", \"pid\": \"\", \"tid\": \"Host\"},\n",
                 info.kernel_name.c_str(), info.cmd_queued/1000);
-            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"E\", \"ts\": %llu, \"pid\": \"\", \"tid\": \"Host\"},\n",
+            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"E\", \"ts\": %" PRIu64 ", \"pid\": \"\", \"tid\": \"Host\"},\n",
                 info.kernel_name.c_str(), info.cmd_submit/1000);
 
-            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"B\", \"ts\": %llu, \"pid\": \"\", \"tid\": \"Device\"},\n",
+            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"B\", \"ts\": %" PRIu64 ", \"pid\": \"\", \"tid\": \"Device\"},\n",
                 info.kernel_name.c_str(), info.cmd_start/1000);
-            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"E\", \"ts\": %llu, \"pid\": \"\", \"tid\": \"Device\"},\n",
+            fprintf(ftrace, "{\"name\": \"%s\", \"cat\": \"OpenCL\", \"ph\": \"E\", \"ts\": %" PRIu64 ", \"pid\": \"\", \"tid\": \"Device\"},\n",
                 info.kernel_name.c_str(), info.cmd_end/1000);
         }
         fclose(ftrace);
@@ -7652,6 +7643,8 @@ static void ggml_cl_mul_mat_id(ggml_backend_t backend, const ggml_tensor * src0,
     const cl_ulong nb21 = src2->nb[1];
     const cl_ulong nb20 = src2->nb[0];
 
+    UNUSED(nb20);
+
     const int ne0 = dst->ne[0];
     const int ne1 = dst->ne[1];