diff --git a/features/cellular/framework/AT/AT_CellularDevice.cpp b/features/cellular/framework/AT/AT_CellularDevice.cpp
index 8251056328..7b5d249f45 100644
--- a/features/cellular/framework/AT/AT_CellularDevice.cpp
+++ b/features/cellular/framework/AT/AT_CellularDevice.cpp
@@ -207,7 +207,7 @@ CellularContext *AT_CellularDevice::create_context(FileHandle *fh, const char *a
         return ctx;
     }
 
-    AT_CellularContext *prev;
+    AT_CellularContext *prev = NULL;
     while (curr) {
         prev = curr;
         curr = (AT_CellularContext *)curr->_next;
diff --git a/features/cellular/framework/AT/AT_CellularSMS.cpp b/features/cellular/framework/AT/AT_CellularSMS.cpp
index fe5ff6d7e5..c4e24ced49 100644
--- a/features/cellular/framework/AT/AT_CellularSMS.cpp
+++ b/features/cellular/framework/AT/AT_CellularSMS.cpp
@@ -990,7 +990,7 @@ void AT_CellularSMS::add_info(sms_info_t *info, int index, int part_number)
         return;
     }
     sms_info_t *current = _sms_info;
-    sms_info_t *prev;
+    sms_info_t *prev = NULL;
     bool found_msg = false;
     while (current) {
         prev = current;
diff --git a/features/cellular/framework/common/CellularLog.cpp b/features/cellular/framework/common/CellularLog.cpp
index 6c96c48cc2..0637865f7e 100644
--- a/features/cellular/framework/common/CellularLog.cpp
+++ b/features/cellular/framework/common/CellularLog.cpp
@@ -26,10 +26,7 @@ typedef struct trace_s {
     void (*mutex_release_f)(void);
 } trace_t;
 
-static trace_t m_trace = {
-    .mutex_wait_f = 0,
-    .mutex_release_f = 0,
-};
+static trace_t m_trace = {};
 
 void mutex_wait_function_set(void (*mutex_wait_f)(void))
 {