diff --git a/src/ppd-driver.c b/src/ppd-driver.c
index 91eb985..63a0cf9 100644
--- a/src/ppd-driver.c
+++ b/src/ppd-driver.c
@@ -324,8 +324,6 @@ const char *
 ppd_profile_activation_reason_to_str (PpdProfileActivationReason reason)
 {
   switch (reason) {
-  case PPD_PROFILE_ACTIVATION_REASON_INHIBITION:
-    return "inhibition";
   case PPD_PROFILE_ACTIVATION_REASON_INTERNAL:
     return "internal";
   case PPD_PROFILE_ACTIVATION_REASON_RESET:
diff --git a/src/ppd-driver.h b/src/ppd-driver.h
index a694dc2..fc1375f 100644
--- a/src/ppd-driver.h
+++ b/src/ppd-driver.h
@@ -35,8 +35,6 @@ typedef enum {
 
 /**
  * PpdProfileActivationReason:
- * @PPD_PROFILE_ACTIVATION_REASON_INHIBITION: switching profiles because
- *   of performance profile inhibition.
  * @PPD_PROFILE_ACTIVATION_REASON_INTERNAL: the driver profile changed
  *   internally, usually because of a key combination.
  * @PPD_PROFILE_ACTIVATION_REASON_RESET: setting profile on startup, or
@@ -49,8 +47,7 @@ typedef enum {
  * profile internally.
  */
 typedef enum{
-  PPD_PROFILE_ACTIVATION_REASON_INHIBITION = 0,
-  PPD_PROFILE_ACTIVATION_REASON_INTERNAL,
+  PPD_PROFILE_ACTIVATION_REASON_INTERNAL = 0,
   PPD_PROFILE_ACTIVATION_REASON_RESET,
   PPD_PROFILE_ACTIVATION_REASON_USER
 } PpdProfileActivationReason;