diff --git a/src/eis_shield/ad5933.c b/src/eis_shield/ad5933.c
index ac8c225be2a6df4fac59883268f531d804d5f4cd..f0bfb039afb9bad1c39ac7a62d057284d20cb82f 100644
--- a/src/eis_shield/ad5933.c
+++ b/src/eis_shield/ad5933.c
@@ -108,7 +108,6 @@ static uint8_t read_byte(uint8_t address);
 static void read_block(uint8_t address, uint8_t length, uint8_t* buffer);
 static void write_byte(uint8_t address, uint8_t value);
 static void write_block(uint8_t address, uint8_t length, uint8_t* buffer);
-static void internal_clock_set(bool);
 static bool set_start_frequency(uint32_t);
 static bool set_increment_frequency(uint32_t);
 static bool set_num_increments(uint16_t);
@@ -231,7 +230,6 @@ void ad5933_set_params(uint32_t start, uint32_t increment, uint16_t n_increments
      * @param settle_cycles Number of settling cycles
      * @param gain PGA gain
      */
-    internal_clock_set(1);
     ad5933_reset();
 
     set_start_frequency(start);
@@ -249,7 +247,7 @@ void ad5933_reset(void) {
     write_byte(CTRL_REG2, current | CTRL_RESET);
 }
 
-static void internal_clock_set(bool internal) {
+void ad5933_set_internal_mclk(uint8_t internal) {
     //set the control register to internal or external clock
     uint8_t current = read_byte(CTRL_REG2);