diff --git a/keywords.txt b/keywords.txt
index bad947b0df..ca7b2f1337 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -19,4 +19,3 @@ enablePhaseLockedWaveform	KEYWORD2
 # Constants (LITERAL1)
 #######################################
 INPUT_PULLDOWN_16	LITERAL1
-PWMRANGE	LITERAL1