diff --git a/src/cli/conio.cpp b/src/cli/conio.cpp
index e361fa2..e4b3ca8 100644
--- a/src/cli/conio.cpp
+++ b/src/cli/conio.cpp
@@ -49,11 +49,6 @@ extern "C"
 #endif
     }
 
-    void SF_OSAL_flush_input(void)
-    {
-        read_tail_idx = read_head_idx;
-    }
-
     int SF_OSAL_getch(void)
     {
 #if SF_PLATFORM == SF_PLATFORM_PARTICLE
diff --git a/src/cli/conio.hpp b/src/cli/conio.hpp
index 6526bad..dc1412c 100644
--- a/src/cli/conio.hpp
+++ b/src/cli/conio.hpp
@@ -63,12 +63,6 @@ extern "C"
      */
     void SF_OSAL_deinit_conio(void);
 
-    /**
-     * @brief Flushes any input buffer
-     *
-     */
-    void SF_OSAL_flush_input(void);
-
 #ifdef __cplusplus
 }
 #endif