diff --git a/src/main/common/typeconversion.c b/src/main/common/typeconversion.c
index 3a3730fd56..4e3f8b4c2e 100644
--- a/src/main/common/typeconversion.c
+++ b/src/main/common/typeconversion.c
@@ -144,11 +144,6 @@ char *itoa(int i, char *a, int base)
 
 #endif
 
-/* Note: the floatString must be at least 13 bytes long to cover all cases.
- * This includes up to 10 digits (32 bit ints can hold numbers up to 10
- * digits long) + the decimal point + negative sign or space + null
- * terminator.
- */
 char *ftoa(float x, char *floatString)
 {
     int32_t value;
diff --git a/src/main/common/typeconversion.h b/src/main/common/typeconversion.h
index f2811d65ba..62b437875b 100644
--- a/src/main/common/typeconversion.h
+++ b/src/main/common/typeconversion.h
@@ -21,17 +21,7 @@ void li2a(long num, char *bf);
 void ui2a(unsigned int num, unsigned int base, int uc, char *bf);
 void i2a(int num, char *bf);
 char a2i(char ch, const char **src, int base, int *nump);
-
-/* Simple conversion of a float to a string. Will display completely
- * inaccurate results for floats larger than about 2.15E6 (2^31 / 1000)
- * (same thing for negative values < -2.15E6).
- * Will always display 3 decimals, so anything smaller than 1E-3 will
- * not be displayed.
- * The floatString will be filled in with the result and will be
- * returned. It must be at least 13 bytes in length to cover all cases!
- */
 char *ftoa(float x, char *floatString);
-
 float fastA2F(const char *p);
 
 #ifndef HAVE_ITOA_FUNCTION
diff --git a/src/main/io/serial_cli.c b/src/main/io/serial_cli.c
index 2f837ed9ef..d3a7e79c20 100644
--- a/src/main/io/serial_cli.c
+++ b/src/main/io/serial_cli.c
@@ -2448,7 +2448,7 @@ static void cliWrite(uint8_t ch)
 static void cliPrintVar(const clivalue_t *var, uint32_t full)
 {
     int32_t value = 0;
-    char buf[13];
+    char buf[8];
 
     void *ptr = var->ptr;
     if ((var->type & VALUE_SECTION_MASK) == PROFILE_VALUE) {