diff --git a/c-basic/float_double.c b/c-basic/float_double.c
deleted file mode 100644
index d9b3f83..0000000
--- a/c-basic/float_double.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <stdio.h>
-
-int my_float()
-{
-  float f;
-  double d;
-
-  printf("float :");
-  scanf("%f", &f);
-
-  printf("double :");
-  scanf("%lf", &d);
-
-  printf("f = %f, d = %f", f, d);
-
-  return 0;
-}
diff --git a/c-basic/foo.c b/c-basic/foo.c
deleted file mode 100644
index a9602ef..0000000
--- a/c-basic/foo.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <stdio.h>
-
-int foo()
-{
-  printf("I am foo\n");
-
-  return 0;
-}
diff --git a/c-basic/hello.c b/c-basic/hello.c
deleted file mode 100644
index 2140052..0000000
--- a/c-basic/hello.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <stdio.h>
-
-void hello() {
-   printf("Hello C Programming Language 2025 Examples\n");
-}
diff --git a/c-basic/hello.h b/c-basic/hello.h
deleted file mode 100644
index f19e5d3..0000000
--- a/c-basic/hello.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef HELLO_H
-#define HELLO_H
-
-void hello();
-
-#endif
diff --git a/c-basic/hex_read_scanf.c b/c-basic/hex_read_scanf.c
deleted file mode 100644
index cc04ab5..0000000
--- a/c-basic/hex_read_scanf.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#include "hex_read_scanf.h"
-
-int hex_scan()
-{
-
-  int a;
-
-  printf("Enter a number : ");
-
-  scanf("%x", &a);
-
-  printf("a = %d\n", a);
-
-  return 0;
-}
diff --git a/c-basic/hex_read_scanf.h b/c-basic/hex_read_scanf.h
deleted file mode 100644
index b471eb7..0000000
--- a/c-basic/hex_read_scanf.h
+++ /dev/null
@@ -1,9 +0,0 @@
-// hexutil.h
-#ifndef HEXUTIL_H
-#define HEXUTIL_H
-
-// Prompts the user for a hexadecimal number and prints its decimal value.
-// Returns 0 upon successful execution.
-int hex_scan(void);
-
-#endif // HEXUTIL_H
diff --git a/c-basic/print_example.c b/c-basic/print_example.c
deleted file mode 100644
index d3cfeba..0000000
--- a/c-basic/print_example.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "print_example.h"
-
-int print_example()
-{
-    int a = 10, b = 20;
-
-    printf("a = %d, b = %d\n", a, b);
-    printf("a ? = %d, b ? = %d\n", b , a);
-    printf("%d%d\n", a, b);
-
-    return 0;
-}
diff --git a/c-basic/print_example.h b/c-basic/print_example.h
deleted file mode 100644
index fc6b28e..0000000
--- a/c-basic/print_example.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef PRINT_EXAMPLE_H
-#define PRINT_EXAMPLE_H
-
-#include <stdio.h>
-
-int print_example();
-
-#endif
diff --git a/c-basic/print_example_with_scan.c b/c-basic/print_example_with_scan.c
deleted file mode 100644
index bb5c4a8..0000000
--- a/c-basic/print_example_with_scan.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <stdio.h>
-
-int print_with_scan()
-{
-  int a , b ;
-
-  printf("enter a number\n");
-  scanf("%d", &a);
-
-  printf("enter b number\n");
-  scanf("%d", &b);
-
-  printf("a is %d\n", a);
-  printf("b is %d\n", b);
-
-  printf("a is %d b is %d\n", a, b);
-  printf("b is %d a is %d\n", b, a);
-  
-  return 0;
-}
diff --git a/c-basic/scanf_example.c b/c-basic/scanf_example.c
deleted file mode 100644
index 675e810..0000000
--- a/c-basic/scanf_example.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "scanf_example.h"
-
-int my_scan()
-{
-  int a;
-
-  printf("enter the a number:");
-  scanf("%d", &a);
-  printf("a number is : %d\n", a);
-
-  return 0;
-}
diff --git a/c-basic/scanf_example.h b/c-basic/scanf_example.h
deleted file mode 100644
index 6c8fbfc..0000000
--- a/c-basic/scanf_example.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SCANF_EXAMPLE_H
-#define SCANF_EXAMPLE_H
-
-#include <stdio.h>
-
-int my_scan();
-
-#endif
diff --git a/c-basic/scanf_example_two_numbers.c b/c-basic/scanf_example_two_numbers.c
deleted file mode 100644
index e42158a..0000000
--- a/c-basic/scanf_example_two_numbers.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include "scanf_example_two_numbers.h"
-
-int scan_two_numbers()
-{
-  int a, b;
-
-  printf("enter two numbers:");
-  scanf("%d%d", &a, &b);
-
-  printf("a = %d, b = %d\n", a, b);
-
-  return 0;
-}
diff --git a/c-basic/scanf_example_two_numbers.h b/c-basic/scanf_example_two_numbers.h
deleted file mode 100644
index a2d8107..0000000
--- a/c-basic/scanf_example_two_numbers.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SCANF_EXAMPLE_TWO_NUMBERS_H
-#define SCANF_EXAMPLE_TWO_NUMBERS_H
-
-#include <stdio.h>
-
-int scan_two_numbers();
-
-#endif
diff --git a/c-basic/toplama.c b/c-basic/toplama.c
deleted file mode 100644
index 3aa3ee9..0000000
--- a/c-basic/toplama.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <stdio.h>
-
-int addition()
-{
-  int a , b , c;
-
-  a = 10;
-  b = 20;
-  c = a + b;
-  printf("C = %d", c);
-
-  return 0;
-}