diff --git a/Makefile b/Makefile
index 63cb621bd633ee019211c9df9546e5403ee8f5ea..0e185f75e570559a926add2975d08d9161985e95 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-GPU=1
+GPU=0
 DEBUG=0
 ARCH= -arch=sm_52
 
diff --git a/src/activations.h b/src/activations.h
index 07c5b5edb00f997271ccf9c5ad41c85031e2dbfb..0aa61c2ad08d12d6c51ceea5f2f55e34ffdf5bba 100644
--- a/src/activations.h
+++ b/src/activations.h
@@ -1,6 +1,7 @@
-#include "cuda.h"
 #ifndef ACTIVATIONS_H
 #define ACTIVATIONS_H
+#include "cuda.h"
+#include "math.h"
 
 typedef enum{
     LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE
diff --git a/src/cost_layer.c b/src/cost_layer.c
index d2c616ff0f0255ca45ebb9ec7f65fee4898b546b..1ea03bb8fa38fb3092525e7bd85cfda3d7ba08c4 100644
--- a/src/cost_layer.c
+++ b/src/cost_layer.c
@@ -38,15 +38,6 @@ cost_layer *make_cost_layer(int batch, int inputs, COST_TYPE type)
     return layer;
 }
 
-void pull_cost_layer(cost_layer layer)
-{
-    cuda_pull_array(layer.delta_gpu, layer.delta, layer.batch*layer.inputs);
-}
-void push_cost_layer(cost_layer layer)
-{
-    cuda_push_array(layer.delta_gpu, layer.delta, layer.batch*layer.inputs);
-}
-
 void forward_cost_layer(cost_layer layer, network_state state)
 {
     if (!state.truth) return;
@@ -63,6 +54,16 @@ void backward_cost_layer(const cost_layer layer, network_state state)
 
 #ifdef GPU
 
+void pull_cost_layer(cost_layer layer)
+{
+    cuda_pull_array(layer.delta_gpu, layer.delta, layer.batch*layer.inputs);
+}
+
+void push_cost_layer(cost_layer layer)
+{
+    cuda_push_array(layer.delta_gpu, layer.delta, layer.batch*layer.inputs);
+}
+
 void forward_cost_layer_gpu(cost_layer layer, network_state state)
 {
     if (!state.truth) return;
diff --git a/src/crop_layer.c b/src/crop_layer.c
index bc131514c001fca573dad1244c80f8561baf89e1..e83aea249951585112c31be6a0801564bc09c976 100644
--- a/src/crop_layer.c
+++ b/src/crop_layer.c
@@ -37,6 +37,8 @@ void forward_crop_layer(const crop_layer layer, network_state state)
     int flip = (layer.flip && rand()%2);
     int dh = rand()%(layer.h - layer.crop_height + 1);
     int dw = rand()%(layer.w - layer.crop_width + 1);
+    float scale = 2;
+    float trans = -1;
     if(!state.train){
         flip = 0;
         dh = (layer.h - layer.crop_height)/2;
@@ -53,7 +55,7 @@ void forward_crop_layer(const crop_layer layer, network_state state)
                     }
                     row = i + dh;
                     index = col+layer.w*(row+layer.h*(c + layer.c*b)); 
-                    layer.output[count++] = state.input[index];
+                    layer.output[count++] = state.input[index]*scale + trans;
                 }
             }
         }
diff --git a/src/detection.c b/src/detection.c
index eea61366b698c672f51515b95818e323fbf74830..024c0e96eacf34c0f2abac38f58b0062c9cf65f7 100644
--- a/src/detection.c
+++ b/src/detection.c
@@ -203,8 +203,6 @@ void test_detection(char *cfgfile, char *weightfile)
         fgets(filename, 256, stdin);
         strtok(filename, "\n");
         image im = load_image_color(filename, im_size, im_size);
-        translate_image(im, -128);
-        scale_image(im, 1/128.);
         printf("%d %d %d\n", im.h, im.w, im.c);
         float *X = im.data;
         time=clock();