diff --git a/src/multiplication.c b/src/multiplication.c
index d5eff30..f2ddf1c 100644
--- a/src/multiplication.c
+++ b/src/multiplication.c
@@ -143,19 +143,6 @@ int multi_recursive_optimized(int num1, int num2) {
     return result;
 }
 
-int multi_octal_numbers(int num1, int num2) {
-    int result = 0;
-    while (num2 != 0) {
-        if (num2 & 1) {
-            result += num1;
-        }
-        num1 <<= 3; // Décalage octal
-        num2 >>= 1;
-    }
-   
-    return result;
-}
-
 int multi_hex_numbers(int num1, int num2) {
     int result = 0;
     while (num2 != 0) {
diff --git a/src/multiplication.h b/src/multiplication.h
index 713e205..52fdcf4 100644
--- a/src/multiplication.h
+++ b/src/multiplication.h
@@ -22,7 +22,6 @@ int multi_by_odd(int num, int factor);
 int multi_binary_enumeration(int num1, int num2);
 int multi_differences(int num1, int num2);
 int multi_recursive_optimized(int num1, int num2);
-int multi_octal_numbers(int num1, int num2);
 int multi_hex_numbers(int num1, int num2);
 int multi_exponentiation(int base, int exponent);
 int multi_by_euler_prime(int num);