diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index 503995a5d..08b3661ea 100644
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -1413,7 +1413,7 @@ int cortex_m_remove_breakpoint(struct target *target, struct breakpoint *breakpo
 	return cortex_m_unset_breakpoint(target, breakpoint);
 }
 
-int cortex_m_set_watchpoint(struct target *target, struct watchpoint *watchpoint)
+static int cortex_m_set_watchpoint(struct target *target, struct watchpoint *watchpoint)
 {
 	int dwt_num = 0;
 	struct cortex_m_common *cortex_m = target_to_cm(target);
@@ -1496,7 +1496,7 @@ int cortex_m_set_watchpoint(struct target *target, struct watchpoint *watchpoint
 	return ERROR_OK;
 }
 
-int cortex_m_unset_watchpoint(struct target *target, struct watchpoint *watchpoint)
+static int cortex_m_unset_watchpoint(struct target *target, struct watchpoint *watchpoint)
 {
 	struct cortex_m_common *cortex_m = target_to_cm(target);
 	struct cortex_m_dwt_comparator *comparator;
@@ -1989,7 +1989,7 @@ static void cortex_m_dwt_addreg(struct target *t, struct reg *r, const struct dw
 	r->type = &dwt_reg_type;
 }
 
-void cortex_m_dwt_setup(struct cortex_m_common *cm, struct target *target)
+static void cortex_m_dwt_setup(struct cortex_m_common *cm, struct target *target)
 {
 	uint32_t dwtcr;
 	struct reg_cache *cache;
diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
index 415a6c22f..b470fbd70 100644
--- a/src/target/cortex_m.h
+++ b/src/target/cortex_m.h
@@ -233,13 +233,10 @@ int cortex_m_set_breakpoint(struct target *target, struct breakpoint *breakpoint
 int cortex_m_unset_breakpoint(struct target *target, struct breakpoint *breakpoint);
 int cortex_m_add_breakpoint(struct target *target, struct breakpoint *breakpoint);
 int cortex_m_remove_breakpoint(struct target *target, struct breakpoint *breakpoint);
-int cortex_m_set_watchpoint(struct target *target, struct watchpoint *watchpoint);
-int cortex_m_unset_watchpoint(struct target *target, struct watchpoint *watchpoint);
 int cortex_m_add_watchpoint(struct target *target, struct watchpoint *watchpoint);
 int cortex_m_remove_watchpoint(struct target *target, struct watchpoint *watchpoint);
 void cortex_m_enable_breakpoints(struct target *target);
 void cortex_m_enable_watchpoints(struct target *target);
-void cortex_m_dwt_setup(struct cortex_m_common *cm, struct target *target);
 void cortex_m_deinit_target(struct target *target);
 int cortex_m_profiling(struct target *target, uint32_t *samples,
 	uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds);