diff --git src/bp-core/bp-core-theme-compatibility.php src/bp-core/bp-core-theme-compatibility.php
index c43d604..14a890f 100644
--- src/bp-core/bp-core-theme-compatibility.php
+++ src/bp-core/bp-core-theme-compatibility.php
@@ -531,7 +531,7 @@ function bp_register_theme_compat_default_features() {
 	global $content_width;
 
 	// If the current theme doesn't need theme compat, bail at this point.
-	if ( ! bp_use_theme_compat_with_current_theme() ) {
+	if ( ! bp_use_theme_compat_with_current_theme() || bp_is_deactivation() ) {
 		return;
 	}