diff --git a/src/classifier.c b/src/classifier.c
index d75b320e..e0cc0b34 100644
--- a/src/classifier.c
+++ b/src/classifier.c
@@ -782,9 +782,6 @@ void predict_classifier(char *datacfg, char *cfgfile, char *weightfile, char *fi
     char **names = get_labels(name_list);
     clock_t time;
     int* indexes = (int*)xcalloc(top, sizeof(int));
-    if(!indexes) {
-        error("calloc failed");
-    }
     char buff[256];
     char *input = buff;
     //int size = net.w;
diff --git a/src/data.c b/src/data.c
index 4e265e3e..abe1d98e 100644
--- a/src/data.c
+++ b/src/data.c
@@ -193,9 +193,6 @@ box_label *read_boxes(char *filename, int *n)
     int count = 0;
     while(fscanf(file, "%d %f %f %f %f", &id, &x, &y, &w, &h) == 5){
         boxes = (box_label*)xrealloc(boxes, (count + 1) * sizeof(box_label));
-        if(!boxes) {
-          error("realloc failed");
-        }
         boxes[count].id = id;
         boxes[count].x = x;
         boxes[count].y = y;
diff --git a/src/detector.c b/src/detector.c
index c48b6449..7d96ab85 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -835,9 +835,6 @@ float validate_detector_map(char *datacfg, char *cfgfile, char *weightfile, floa
                     if (prob > 0) {
                         detections_count++;
                         detections = (box_prob*)xrealloc(detections, detections_count * sizeof(box_prob));
-                        if (!detections) {
-                          error("realloc failed");
-                        }
                         detections[detections_count - 1].b = dets[i].bbox;
                         detections[detections_count - 1].p = prob;
                         detections[detections_count - 1].image_index = image_index;
diff --git a/src/gemm.c b/src/gemm.c
index 1fec9322..e0295cb2 100644
--- a/src/gemm.c
+++ b/src/gemm.c
@@ -154,7 +154,7 @@ void gemm_nn_custom_bin_mean(int M, int N, int K, float ALPHA_UNUSED,
     unsigned char *B, int ldb,
     float *C, int ldc, float *mean_arr)
 {
-    int *count_arr = calloc(M*N, sizeof(int));
+    int *count_arr = xcalloc(M*N, sizeof(int));
 
     int i, j, k;
     for (i = 0; i < M; ++i) {   // l.n - filters [16 - 55 - 1024]
@@ -184,7 +184,7 @@ void gemm_nn_custom_bin_mean_transposed(int M, int N, int K, float ALPHA_UNUSED,
     unsigned char *B, int ldb,
     float *C, int ldc, float *mean_arr)
 {
-    int *count_arr = calloc(M*N, sizeof(int));
+    int *count_arr = xcalloc(M*N, sizeof(int));
 
     int i, j, k;
     for (i = 0; i < M; ++i) {   // l.n - filters [16 - 55 - 1024]
@@ -213,7 +213,7 @@ void gemm_nn_custom_bin_mean(int M, int N, int K, float ALPHA_UNUSED,
     unsigned char *B, int ldb,
     float *C, int ldc, float *mean_arr)
 {
-    int *count_arr = calloc(M*N, sizeof(int));
+    int *count_arr = xcalloc(M*N, sizeof(int));
 
     int i;
 
diff --git a/src/go.c b/src/go.c
index 92f2f061..4b01045e 100644
--- a/src/go.c
+++ b/src/go.c
@@ -19,7 +19,7 @@ char *fgetgo(FILE *fp)
 {
     if(feof(fp)) return 0;
     size_t size = 94;
-    char* line = (char*)malloc(size * sizeof(char));
+    char* line = (char*)xmalloc(size * sizeof(char));
     if(size != fread(line, sizeof(char), size, fp)){
         free(line);
         return 0;
@@ -128,13 +128,7 @@ void train_go(char *cfgfile, char *weightfile)
 
     char buff[256];
     float* board = (float*)xcalloc(19 * 19 * net.batch, sizeof(float));
-    if(!board) {
-        error("calloc failed");
-    }
     float* move = (float*)xcalloc(19 * 19 * net.batch, sizeof(float));
-    if(!move) {
-        error("calloc failed");
-    }
     moves m = load_go_moves("backup/go.train");
     //moves m = load_go_moves("games.txt");
 
@@ -417,13 +411,7 @@ void valid_go(char *cfgfile, char *weightfile, int multi)
     printf("Learning Rate: %g, Momentum: %g, Decay: %g\n", net.learning_rate, net.momentum, net.decay);
 
     float* board = (float*)xcalloc(19 * 19, sizeof(float));
-    if(!board) {
-        error("calloc failed");
-    }
     float* move = (float*)xcalloc(19 * 19, sizeof(float));
-    if(!move) {
-        error("calloc failed");
-    }
     moves m = load_go_moves("backup/go.test");
 
     int N = m.n;
@@ -778,17 +766,8 @@ void self_go(char *filename, char *weightfile, char *f2, char *w2, int multi)
     set_batch_network(&net, 1);
     set_batch_network(&net2, 1);
     float* board = (float*)xcalloc(19 * 19, sizeof(float));
-    if(!board) {
-        error("calloc failed");
-    }
     char* one = (char*)xcalloc(91, sizeof(char));
-    if(!one) {
-        error("calloc failed");
-    }
     char* two = (char*)xcalloc(91, sizeof(char));
-    if(!two) {
-        error("calloc failed");
-    }
     int done = 0;
     int player = 1;
     int p1 = 0;
diff --git a/src/list.c b/src/list.c
index 580826d6..4c24e477 100644
--- a/src/list.c
+++ b/src/list.c
@@ -1,11 +1,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include "list.h"
+#include "utils.h"
 #include "option_list.h"
 
 list *make_list()
 {
-    list* l = (list*)malloc(sizeof(list));
+    list* l = (list*)xmalloc(sizeof(list));
     l->size = 0;
     l->front = 0;
     l->back = 0;
@@ -40,7 +41,7 @@ void *list_pop(list *l){
 
 void list_insert(list *l, void *val)
 {
-    node* newnode = (node*)malloc(sizeof(node));
+    node* newnode = (node*)xmalloc(sizeof(node));
     newnode->val = val;
     newnode->next = 0;
 
diff --git a/src/maxpool_layer.c b/src/maxpool_layer.c
index 797123f6..b0ea1957 100644
--- a/src/maxpool_layer.c
+++ b/src/maxpool_layer.c
@@ -1,5 +1,6 @@
 #include "maxpool_layer.h"
 #include "dark_cuda.h"
+#include "utils.h"
 #include "gemm.h"
 #include <stdio.h>
 
diff --git a/src/network.c b/src/network.c
index 403c1ca0..886dd118 100644
--- a/src/network.c
+++ b/src/network.c
@@ -821,9 +821,6 @@ char *detection_to_json(detection *dets, int nboxes, int classes, char **names,
                 int buf_len = strlen(buf);
                 int total_len = send_buf_len + buf_len + 100;
                 send_buf = (char *)xrealloc(send_buf, total_len * sizeof(char));
-                if (!send_buf) {
-                  error("realloc failed");
-                }
                 strcat(send_buf, buf);
                 free(buf);
             }
diff --git a/src/normalization_layer.c b/src/normalization_layer.c
index d8a2ac58..d6af6212 100644
--- a/src/normalization_layer.c
+++ b/src/normalization_layer.c
@@ -1,5 +1,6 @@
 #include "normalization_layer.h"
 #include "blas.h"
+#include "utils.h"
 #include <stdio.h>
 
 layer make_normalization_layer(int batch, int w, int h, int c, int size, float alpha, float beta, float kappa)
diff --git a/src/option_list.c b/src/option_list.c
index e4fa7fe4..306f0e37 100644
--- a/src/option_list.c
+++ b/src/option_list.c
@@ -48,7 +48,9 @@ metadata get_metadata(char *file)
     }
     m.classes = option_find_int(options, "classes", 2);
     free_list(options);
-    printf("Loaded - names_list: %s, classes = %d \n", name_list, m.classes);
+    if(name_list) {
+        printf("Loaded - names_list: %s, classes = %d \n", name_list, m.classes);
+    }
     return m;
 }
 
@@ -72,7 +74,7 @@ int read_option(char *s, list *options)
 
 void option_insert(list *l, char *key, char *val)
 {
-    kvp* p = (kvp*)malloc(sizeof(kvp));
+    kvp* p = (kvp*)xmalloc(sizeof(kvp));
     p->key = key;
     p->val = val;
     p->used = 0;
diff --git a/src/parser.c b/src/parser.c
index 3d3c3752..836a129d 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -1054,7 +1054,7 @@ list *read_cfg(char *filename)
         strip(line);
         switch(line[0]){
             case '[':
-                current = (section*)malloc(sizeof(section));
+                current = (section*)xmalloc(sizeof(section));
                 list_insert(sections, current);
                 current->options = make_list();
                 current->type = line;
diff --git a/src/reorg_layer.c b/src/reorg_layer.c
index 10c11199..7a4c0aec 100644
--- a/src/reorg_layer.c
+++ b/src/reorg_layer.c
@@ -1,6 +1,7 @@
 #include "reorg_layer.h"
 #include "dark_cuda.h"
 #include "blas.h"
+#include "utils.h"
 #include <stdio.h>
 
 
diff --git a/src/reorg_old_layer.c b/src/reorg_old_layer.c
index f6ad2a8b..cb715e6e 100644
--- a/src/reorg_old_layer.c
+++ b/src/reorg_old_layer.c
@@ -1,4 +1,5 @@
 #include "reorg_old_layer.h"
+#include "utils.h"
 #include "dark_cuda.h"
 #include "blas.h"
 #include <stdio.h>
diff --git a/src/rnn.c b/src/rnn.c
index bfc57b70..6c9b38c8 100644
--- a/src/rnn.c
+++ b/src/rnn.c
@@ -15,9 +15,6 @@ int *read_tokenized_data(char *filename, size_t *read)
     size_t count = 0;
     FILE *fp = fopen(filename, "r");
     int* d = (int*)xcalloc(size, sizeof(int));
-    if(!d) {
-      error("calloc failed");
-    }
     int n, one;
     one = fscanf(fp, "%d", &n);
     while(one == 1){
@@ -25,18 +22,12 @@ int *read_tokenized_data(char *filename, size_t *read)
         if(count > size){
             size = size*2;
             d = (int*)xrealloc(d, size * sizeof(int));
-            if(!d) {
-              error("realloc failed");
-            }
         }
         d[count-1] = n;
         one = fscanf(fp, "%d", &n);
     }
     fclose(fp);
     d = (int*)xrealloc(d, count * sizeof(int));
-    if(!d) {
-      error("realloc failed");
-    }
     *read = count;
     return d;
 }
@@ -53,17 +44,11 @@ char **read_tokens(char *filename, size_t *read)
         if(count > size){
             size = size*2;
             d = (char**)xrealloc(d, size * sizeof(char*));
-            if(!d) {
-              error("realloc failed");
-            }
         }
         d[count-1] = line;
     }
     fclose(fp);
     d = (char**)xrealloc(d, count * sizeof(char*));
-    if(!d) {
-      error("realloc failed");
-    }
     *read = count;
     return d;
 }
diff --git a/src/route_layer.c b/src/route_layer.c
index a9d35fc3..9217c30e 100644
--- a/src/route_layer.c
+++ b/src/route_layer.c
@@ -1,4 +1,5 @@
 #include "route_layer.h"
+#include "utils.h"
 #include "dark_cuda.h"
 #include "blas.h"
 #include <stdio.h>
diff --git a/src/sam_layer.c b/src/sam_layer.c
index fbb1aadb..a2ba5486 100644
--- a/src/sam_layer.c
+++ b/src/sam_layer.c
@@ -1,4 +1,5 @@
 #include "sam_layer.h"
+#include "utils.h"
 #include "dark_cuda.h"
 #include "blas.h"
 #include <stdio.h>
diff --git a/src/scale_channels_layer.c b/src/scale_channels_layer.c
index 847eeda4..c1f6af28 100644
--- a/src/scale_channels_layer.c
+++ b/src/scale_channels_layer.c
@@ -1,4 +1,5 @@
 #include "scale_channels_layer.h"
+#include "utils.h"
 #include "dark_cuda.h"
 #include "blas.h"
 #include <stdio.h>
diff --git a/src/shortcut_layer.c b/src/shortcut_layer.c
index fdc70aed..37f1bcc4 100644
--- a/src/shortcut_layer.c
+++ b/src/shortcut_layer.c
@@ -1,6 +1,7 @@
 #include "shortcut_layer.h"
 #include "dark_cuda.h"
 #include "blas.h"
+#include "utils.h"
 #include <stdio.h>
 #include <assert.h>
 
diff --git a/src/upsample_layer.c b/src/upsample_layer.c
index 7e756782..778f5b4d 100644
--- a/src/upsample_layer.c
+++ b/src/upsample_layer.c
@@ -1,5 +1,6 @@
 #include "upsample_layer.h"
 #include "dark_cuda.h"
+#include "utils.h"
 #include "blas.h"
 
 #include <stdio.h>
diff --git a/src/utils.c b/src/utils.c
index 60c2f5a6..416682e3 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -23,6 +23,13 @@
 #pragma warning(disable: 4996)
 #endif
 
+void *xmalloc(size_t size) {
+    void *ptr=malloc(size);
+    if(!ptr) {
+        malloc_error();
+    }
+    return ptr;
+}
 void *xcalloc(size_t nmemb, size_t size) {
     void *ptr=calloc(nmemb,size);
     if(!ptr) {
@@ -319,7 +326,7 @@ void error(const char *s)
 
 void malloc_error()
 {
-    fprintf(stderr, "Malloc error\n");
+    fprintf(stderr, "xMalloc error\n");
     exit(EXIT_FAILURE);
 }
 
@@ -407,7 +414,7 @@ char *fgetl(FILE *fp)
 {
     if(feof(fp)) return 0;
     size_t size = 512;
-    char* line = (char*)malloc(size * sizeof(char));
+    char* line = (char*)xmalloc(size * sizeof(char));
     if(!fgets(line, size, fp)){
         free(line);
         return 0;
@@ -419,10 +426,6 @@ char *fgetl(FILE *fp)
         if(curr == size-1){
             size *= 2;
             line = (char*)xrealloc(line, size * sizeof(char));
-            if(!line) {
-                printf("%ld\n", size);
-                malloc_error();
-            }
         }
         size_t readsize = size-curr;
         if(readsize > INT_MAX) readsize = INT_MAX-1;
@@ -500,7 +503,7 @@ char *copy_string(char *s)
     if(!s) {
         return NULL;
     }
-    char* copy = (char*)malloc(strlen(s) + 1);
+    char* copy = (char*)xmalloc(strlen(s) + 1);
     strncpy(copy, s, strlen(s)+1);
     return copy;
 }
diff --git a/src/utils.h b/src/utils.h
index 05b6da21..a20b17d8 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -13,6 +13,7 @@ extern "C" {
 LIB_API void free_ptrs(void **ptrs, int n);
 LIB_API void top_k(float *a, int n, int k, int *index);
 
+void *xmalloc(size_t size);
 void *xcalloc(size_t nmemb, size_t size);
 void *xrealloc(void *ptr, size_t size);
 double what_time_is_it_now();