diff --git a/grapher/include/grapher/utils/json.hpp b/grapher/include/grapher/utils/json.hpp
index f738ff8..3f432cb 100644
--- a/grapher/include/grapher/utils/json.hpp
+++ b/grapher/include/grapher/utils/json.hpp
@@ -17,7 +17,7 @@ namespace grapher {
 /// For each iteration in entry, returns the sum of the values pointed by
 /// value_jptr in the events matching the descriptor's predicates.
 std::vector<double> get_values(benchmark_iteration_t const &iteration,
-                               group_descriptor_t const &descriptor,
+                               std::vector<predicate_t> const &predicates,
                                nlohmann::json::json_pointer value_jptr);
 
 /// Merges the contents of b into a, with items of a being overwritten if items
diff --git a/grapher/lib/grapher/plotters/compare.cpp b/grapher/lib/grapher/plotters/compare.cpp
index fd49e28..0bb11bf 100644
--- a/grapher/lib/grapher/plotters/compare.cpp
+++ b/grapher/lib/grapher/plotters/compare.cpp
@@ -11,6 +11,7 @@
 
 #include "grapher/core.hpp"
 #include "grapher/plotters/compare.hpp"
+#include "grapher/predicates.hpp"
 #include "grapher/utils/config.hpp"
 #include "grapher/utils/json.hpp"
 #include "grapher/utils/plot.hpp"
@@ -62,6 +63,9 @@ void plotter_compare_t::plot(benchmark_set_t const &bset,
     sciplot::Plot plot;
     apply_config(plot, config);
 
+    // Generating predicates
+    std::vector<predicate_t> predicates = get_predicates(descriptor);
+
     for (benchmark_case_t const &bench : bset) {
       std::vector<double> x_points;
       std::vector<double> y_points;
@@ -77,7 +81,7 @@ void plotter_compare_t::plot(benchmark_set_t const &bset,
         }
 
         std::vector<double> const values =
-            get_values(iteration, descriptor, value_json_pointer);
+            get_values(iteration, predicates, value_json_pointer);
 
         if (values.empty()) {
           llvm::errs() << "[WARNING] No event in benchmark " << bench.name
diff --git a/grapher/lib/grapher/plotters/stack.cpp b/grapher/lib/grapher/plotters/stack.cpp
index 3ee442d..9169a25 100644
--- a/grapher/lib/grapher/plotters/stack.cpp
+++ b/grapher/lib/grapher/plotters/stack.cpp
@@ -10,6 +10,7 @@
 
 #include "grapher/core.hpp"
 #include "grapher/plotters/stack.hpp"
+#include "grapher/predicates.hpp"
 #include "grapher/utils/config.hpp"
 #include "grapher/utils/json.hpp"
 #include "grapher/utils/plot.hpp"
@@ -84,10 +85,12 @@ void plotter_stack_t::plot(benchmark_set_t const &bset,
       // Storing previous value as we iterate
       std::string curve_name = descriptor.name;
 
+      std::vector<predicate_t> predicates = get_predicates(descriptor);
+
       for (std::size_t i = 0; i < bench.iterations.size(); i++) {
         benchmark_iteration_t const &iteration = bench.iterations[i];
         std::vector<double> const values =
-            get_values(iteration, descriptor, feature_value_jptr);
+            get_values(iteration, predicates, feature_value_jptr);
 
         if (values.empty()) {
           llvm::errs() << "[ERROR] No event matching descriptor "
diff --git a/grapher/lib/grapher/utils/json.cpp b/grapher/lib/grapher/utils/json.cpp
index d8d4d82..b774a31 100644
--- a/grapher/lib/grapher/utils/json.cpp
+++ b/grapher/lib/grapher/utils/json.cpp
@@ -1,23 +1,17 @@
 #include "grapher/utils/json.hpp"
+#include "grapher/predicates.hpp"
+#include "grapher/utils/config.hpp"
 
 #include <algorithm>
 #include <execution>
 #include <fstream>
-#include <iostream>
-#include <optional>
-
-#include <llvm/Support/raw_ostream.h>
 
 #include <nlohmann/json.hpp>
-#include <pstl/glue_execution_defs.h>
-
-#include "grapher/predicates.hpp"
-#include "grapher/utils/config.hpp"
 
 namespace grapher {
 
 std::vector<double> get_values(benchmark_iteration_t const &iteration,
-                               group_descriptor_t const &descriptor,
+                               std::vector<predicate_t> const &predicates,
                                nlohmann::json::json_pointer value_jptr) {
   std::vector<double> res(iteration.samples.size());
 
@@ -37,8 +31,6 @@ std::vector<double> get_values(benchmark_iteration_t const &iteration,
     nlohmann::json::array_t const &events =
         j["traceEvents"].get_ref<nlohmann::json::array_t const &>();
 
-    std::vector<predicate_t> predicates = get_predicates(descriptor);
-
     // Accumulate
     double val = 0.;
     for (nlohmann::json const &event : events) {