diff --git a/ccv/saliency/fusion.cpp b/ccv/saliency/fusion.cpp
index ee2ff76..0c6c162 100644
--- a/ccv/saliency/fusion.cpp
+++ b/ccv/saliency/fusion.cpp
@@ -1,44 +1,6 @@
 #include <opencv2/opencv.hpp>
 #include "includes/fusion.h"
 
-/**
- * Returns the mean fusion of two feature maps.
- *
- * @param f_on_off feature map on off
- * @param f_off_on feature map off on
- * @return conspicuity map
- */
-cv::Mat mean_fusion(cv::Mat f_on_off, cv::Mat f_off_on) {
-  cv::Mat C_l = 0.5 * (f_on_off + f_off_on);
-  double max_on_off;
-  double max_off_on;
-  cv::minMaxLoc(f_on_off, nullptr, &max_on_off);
-  cv::minMaxLoc(f_off_on, nullptr, &max_off_on);
-  double max = max_on_off >= max_off_on ? max_on_off : max_off_on;
-  cv::normalize(C_l, C_l, 0, max, cv::NORM_MINMAX, -1);
-
-  return C_l.clone();
-}
-
-/**
- * Returns the max fusion of two feature maps.
- *
- * @param f_on_off feature map on off
- * @param f_off_on feature map off on
- * @return conspicuity map
- */
-cv::Mat max_fusion(cv::Mat f_on_off, cv::Mat f_off_on) {
-  cv::Mat C_l = cv::max(f_on_off, f_off_on);
-  double max_on_off;
-  double max_off_on;
-  cv::minMaxLoc(f_on_off, nullptr, &max_on_off);
-  cv::minMaxLoc(f_off_on, nullptr, &max_off_on);
-  double max = max_on_off >= max_off_on ? max_on_off : max_off_on;
-  cv::normalize(C_l, C_l, 0, max, cv::NORM_MINMAX, -1);
-
-  return C_l.clone();
-}
-
 /**
  * Returns the mean fusion.
  *
@@ -101,49 +63,3 @@ cv::Mat max_fusion_generic(const std::vector<cv::Mat> feature_maps) {
 
   return C.clone();
 }
-
-/**
- * Computes the saliency map using mean fusion.
- *
- * @param C_l conspicuity map for L channel
- * @param C_a conspicuity map for A channel
- * @param C_b conspicuity map for B channel
- * @return saliency map
- */
-cv::Mat mean_fusion_saliency(cv::Mat C_l, cv::Mat C_a, cv::Mat C_b) {
-  cv::Mat S = (1 / 3.0) * (C_l + C_a + C_b);
-  double max_C_l;
-  double max_C_a;
-  double max_C_b;
-  cv::minMaxLoc(C_l, nullptr, &max_C_l);
-  cv::minMaxLoc(C_a, nullptr, &max_C_a);
-  cv::minMaxLoc(C_b, nullptr, &max_C_b);
-  double max = max_C_l >= max_C_a ? (max_C_l >= max_C_b ? max_C_l : max_C_b) : (max_C_a >= max_C_b ? max_C_a : max_C_b);
-  cv::normalize(S, S, 0, max, cv::NORM_MINMAX, -1);
-
-  return S;
-}
-
-/**
- * Computes the saliency map using max fusion.
- *
- * @param C_l conspicuity map for L channel
- * @param C_a conspicuity map for A channel
- * @param C_b conspicuity map for B channel
- * @return saliency map
- */
-cv::Mat max_fusion_saliency(cv::Mat C_l, cv::Mat C_a, cv::Mat C_b) {
-  cv::Mat S = cv::max(C_l, C_a);
-  S = cv::max(S, C_b);
-
-  double max_C_l;
-  double max_C_a;
-  double max_C_b;
-  cv::minMaxLoc(C_l, nullptr, &max_C_l);
-  cv::minMaxLoc(C_a, nullptr, &max_C_a);
-  cv::minMaxLoc(C_b, nullptr, &max_C_b);
-  double max = max_C_l >= max_C_a ? (max_C_l >= max_C_b ? max_C_l : max_C_b) : (max_C_a >= max_C_b ? max_C_a : max_C_b);
-  cv::normalize(S, S, 0, max, cv::NORM_MINMAX, -1);
-
-  return S;
-}
diff --git a/ccv/saliency/includes/fusion.h b/ccv/saliency/includes/fusion.h
index 6904766..f179e1a 100644
--- a/ccv/saliency/includes/fusion.h
+++ b/ccv/saliency/includes/fusion.h
@@ -1,11 +1,7 @@
 #ifndef SHEET6_FUSION_H
 #define SHEET6_FUSION_H
 
-cv::Mat mean_fusion(cv::Mat f_on_off, cv::Mat f_off_on);
-cv::Mat max_fusion(cv::Mat f_on_off, cv::Mat f_off_on);
 cv::Mat mean_fusion_generic(const std::vector<cv::Mat> feature_maps);
 cv::Mat max_fusion_generic(const std::vector<cv::Mat> feature_maps);
-cv::Mat mean_fusion_saliency(cv::Mat C_l, cv::Mat C_a, cv::Mat C_b);
-cv::Mat max_fusion_saliency(cv::Mat C_l, cv::Mat C_a, cv::Mat C_b);
 
 #endif //SHEET6_FUSION_H