diff --git a/src/libguc/src/cgltf_util.cpp b/src/libguc/src/cgltf_util.cpp
index c05f1f8..e169564 100644
--- a/src/libguc/src/cgltf_util.cpp
+++ b/src/libguc/src/cgltf_util.cpp
@@ -303,8 +303,8 @@ namespace guc
 
   const char* cgltf_error_string(cgltf_result result)
   {
-    assert(result != cgltf_result_success);
-    assert(result != cgltf_result_invalid_options);
+    TF_VERIFY(result != cgltf_result_success);
+    TF_VERIFY(result != cgltf_result_invalid_options);
     switch (result)
     {
     case cgltf_result_legacy_gltf:
diff --git a/src/libguc/src/image.cpp b/src/libguc/src/image.cpp
index 1b6d1d7..af41cb3 100644
--- a/src/libguc/src/image.cpp
+++ b/src/libguc/src/image.cpp
@@ -207,7 +207,7 @@ namespace detail
     auto image = OIIO::ImageInput::open(path, nullptr, &memReader);
     if (image)
     {
-      assert(image->supports("ioproxy"));
+      TF_VERIFY(image->supports("ioproxy"));
 
       const OIIO::ImageSpec& spec = image->spec();
       channelCount = spec.nchannels;
diff --git a/src/libguc/src/materialx.cpp b/src/libguc/src/materialx.cpp
index f1ec31a..d93e931 100644
--- a/src/libguc/src/materialx.cpp
+++ b/src/libguc/src/materialx.cpp
@@ -25,7 +25,6 @@
 #include <MaterialXFormat/Util.h>
 
 #include <filesystem>
-#include <cassert>
 
 #include "naming.h"
 #include "debugCodes.h"