diff --git a/src/actions.py b/src/actions.py
index 0cd53fd..ab082ce 100644
--- a/src/actions.py
+++ b/src/actions.py
@@ -44,12 +44,5 @@ async def display_time():
 
 
 async def display_pattern(*args, **kwargs):
-    old_contrast = matrix_display.contrast
-    if "contrast" in kwargs:
-        matrix_display.set_contrast(int(kwargs["contrast"]))
-    try:
-        while True:
-            await matrix_display.pattern(*args, **kwargs)
-    except:
-        if "contrast" in kwargs:
-            matrix_display.set_contrast(old_contrast)
+    while True:
+        await matrix_display.pattern(*args, **kwargs)
diff --git a/src/main.py b/src/main.py
index e7f6f86..57b2bbf 100644
--- a/src/main.py
+++ b/src/main.py
@@ -126,12 +126,8 @@ async def flash(count: int = 1, contrast: Optional[int] = None):
 
 
 @app.post("/pattern")
-async def flash(
-    pattern: str = "01", step_ms: int = 500, contrast: Optional[int] = None
-):
-    await queue.set_idle_action(
-        display_pattern, pattern=pattern, step_ms=step_ms, contrast=contrast
-    )
+async def flash(pattern: str = "01", step_ms: int = 500):
+    await queue.set_idle_action(display_pattern, pattern=pattern, step_ms=step_ms)
     return {"message": "Activated pattern."}