diff --git a/src/toolbar/ActionButton.tsx b/src/toolbar/ActionButton.tsx
index 64771e8d..1d29396b 100644
--- a/src/toolbar/ActionButton.tsx
+++ b/src/toolbar/ActionButton.tsx
@@ -109,10 +109,10 @@ const ActionButton: React.VoidFunctionComponent<ActionButtonProps> = ({
                         />
                     ) : (
                         <img
+                            aria-hidden={true}
                             width={`${buttonSize}px`}
                             height={`${buttonSize}px`}
                             src={icon}
-                            alt={label}
                         />
                     )}
                 </Button>
diff --git a/src/toolbar/OpenFileButton.tsx b/src/toolbar/OpenFileButton.tsx
index 78db8aea..4478a14b 100644
--- a/src/toolbar/OpenFileButton.tsx
+++ b/src/toolbar/OpenFileButton.tsx
@@ -126,10 +126,10 @@ const OpenFileButton: React.VoidFunctionComponent<OpenFileButtonProps> = ({
                         />
                     ) : (
                         <img
+                            aria-hidden={true}
                             width={`${buttonSize}px`}
                             height={`${buttonSize}px`}
                             src={icon}
-                            alt={label}
                         />
                     )}
                 </Button>