diff --git a/src/algorithms/primitive.cpp b/src/algorithms/primitive.cpp
index e52cddd35e..64f04e1972 100644
--- a/src/algorithms/primitive.cpp
+++ b/src/algorithms/primitive.cpp
@@ -4,10 +4,6 @@
 
 namespace algos {
 
-bool Primitive::FitCompleted() const {
-    return fit_completed_;
-}
-
 Primitive::Primitive(std::vector<std::string_view> phase_names)
     : progress_(std::move(phase_names)) {}
 
diff --git a/src/algorithms/primitive.h b/src/algorithms/primitive.h
index d0e4c48ebc..03fe7819f9 100644
--- a/src/algorithms/primitive.h
+++ b/src/algorithms/primitive.h
@@ -23,8 +23,6 @@ class Primitive {
 private:
     util::Progress progress_;
 
-    bool fit_completed_ = false;
-
     // Clear the necessary fields for Execute to run repeatedly with different
     // configuration parameters on the same dataset.
     virtual void ResetState() = 0;
@@ -74,7 +72,6 @@ class Primitive {
     explicit Primitive(std::vector<std::string_view> phase_names);
 
     void Fit(model::IDatasetStream & data_stream);
-    bool FitCompleted() const;
 
     unsigned long long Execute();