diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 0ad691fdbf..41013a4ed9 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -341,29 +341,34 @@ if(BUILD_CUML_CPP_LIBRARY)
 
   # FIL components
   if(all_algo OR fil_algo)
+    if(CUML_ENABLE_GPU)
+      target_sources(${CUML_CPP_TARGET}
+        PRIVATE
+          # Current FIL
+          src/fil/fil.cu
+          src/fil/infer.cu
+          src/fil/treelite_import.cu
+          # Experimental FIL
+          src/experimental/fil/infer0.cu
+          src/experimental/fil/infer1.cu
+          src/experimental/fil/infer2.cu
+          src/experimental/fil/infer3.cu
+          src/experimental/fil/infer4.cu
+          src/experimental/fil/infer5.cu
+          src/experimental/fil/infer6.cu
+          src/experimental/fil/infer7.cu)
+    endif()
     target_sources(${CUML_CPP_TARGET}
       PRIVATE
-        src/fil/fil.cu
-        src/fil/infer.cu
-        src/fil/treelite_import.cu)
-    target_sources(${CUML_CPP_TARGET}
-      PRIVATE
+        # Experimental FIL
         src/experimental/fil/infer0.cpp
-        src/experimental/fil/infer0.cu
         src/experimental/fil/infer1.cpp
-        src/experimental/fil/infer1.cu
         src/experimental/fil/infer2.cpp
-        src/experimental/fil/infer2.cu
         src/experimental/fil/infer3.cpp
-        src/experimental/fil/infer3.cu
         src/experimental/fil/infer4.cpp
-        src/experimental/fil/infer4.cu
         src/experimental/fil/infer5.cpp
-        src/experimental/fil/infer5.cu
         src/experimental/fil/infer6.cpp
-        src/experimental/fil/infer6.cu
-        src/experimental/fil/infer7.cpp
-        src/experimental/fil/infer7.cu)
+        src/experimental/fil/infer7.cpp)
   endif()
 
   # todo: organize linear models better
diff --git a/cpp/include/cuml/experimental/fil/decision_forest.hpp b/cpp/include/cuml/experimental/fil/decision_forest.hpp
index c0e7433453..06738df043 100644
--- a/cpp/include/cuml/experimental/fil/decision_forest.hpp
+++ b/cpp/include/cuml/experimental/fil/decision_forest.hpp
@@ -220,6 +220,8 @@ struct decision_forest {
 
   /** The operation used for postprocessing all outputs for a single row */
   auto row_postprocessing() const { return row_postproc_; }
+  // Setter for row_postprocessing
+  void set_row_postprocessing(row_op val) { row_postproc_ = val; }
   /** The operation used for postprocessing each element of the output for a
    * single row */
   auto elem_postprocessing() const { return elem_postproc_; }
diff --git a/cpp/include/cuml/experimental/fil/forest_model.hpp b/cpp/include/cuml/experimental/fil/forest_model.hpp
index 93cc9c48fd..60cd031d37 100644
--- a/cpp/include/cuml/experimental/fil/forest_model.hpp
+++ b/cpp/include/cuml/experimental/fil/forest_model.hpp
@@ -76,6 +76,14 @@ struct forest_model {
                       decision_forest_);
   }
 
+  /** Setter for row_postprocessing() */
+  void set_row_postprocessing(row_op val)
+  {
+    return std::visit(
+      [&val](auto&& concrete_forest) { concrete_forest.set_row_postprocessing(val); },
+      decision_forest_);
+  }
+
   /** The operation used for postprocessing each element of the output for a
    * single row */
   auto elem_postprocessing()