diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapillary/MapillaryKeyListener.java b/src/main/java/org/openstreetmap/josm/plugins/mapillary/MapillaryKeyListener.java
index 2ad34901d..9ecf4e8d8 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapillary/MapillaryKeyListener.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapillary/MapillaryKeyListener.java
@@ -82,7 +82,7 @@ public void popupMenuCanceled(PopupMenuEvent e) {
     }
 
     private void addAction(JPopupMenu popup, String key, String value) {
-        if (Utils.isBlank(value) || !MapillaryLayer.hasInstance()) {
+        if (Utils.isStripEmpty(value) || !MapillaryLayer.hasInstance()) {
             return;
         }
         String lowerKey = key.toLowerCase(Locale.ENGLISH);
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapillary/gui/dialog/TrafficSignFilter.java b/src/main/java/org/openstreetmap/josm/plugins/mapillary/gui/dialog/TrafficSignFilter.java
index 59774e830..2675053a8 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapillary/gui/dialog/TrafficSignFilter.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapillary/gui/dialog/TrafficSignFilter.java
@@ -401,7 +401,7 @@ private static void updateNearbyOsmKey(Collection<? extends IPrimitive> primitiv
                     .map(OsmDataLayer::getDataSet).flatMap(d -> d.searchPrimitives(searchBBox).stream())
                     .filter(pr -> !pr.isDeleted()).filter(pr -> tagMapIsSubset(pr.getKeys(), tags))
                     .map(o -> o.getOsmPrimitiveId().toString()).collect(Collectors.joining(";"));
-                if (!Utils.isBlank(nearby)) {
+                if (!Utils.isStripEmpty(nearby)) {
                     p.put(NEARBY_KEY, nearby);
                 }
             });
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapillary/spi/preferences/ApiKeyReader.java b/src/main/java/org/openstreetmap/josm/plugins/mapillary/spi/preferences/ApiKeyReader.java
index 4c576b79e..47387d93f 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapillary/spi/preferences/ApiKeyReader.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapillary/spi/preferences/ApiKeyReader.java
@@ -27,7 +27,7 @@ static String readValue(final String key) {
             return System.getProperty(key);
         }
         // Then check if there was something stored in JOSM preferences
-        if (Config.getPref() != null && !Utils.isBlank(Config.getPref().get("mapillary.api." + key))) {
+        if (Config.getPref() != null && !Utils.isStripEmpty(Config.getPref().get("mapillary.api." + key))) {
             return Config.getPref().get("mapillary.api." + key);
         }
         // Then check and see if the api key file has the key
diff --git a/test/unit/org/openstreetmap/josm/plugins/mapillary/testutils/annotations/MapillaryURLWireMock.java b/test/unit/org/openstreetmap/josm/plugins/mapillary/testutils/annotations/MapillaryURLWireMock.java
index 8bca5bcb9..f1100a436 100644
--- a/test/unit/org/openstreetmap/josm/plugins/mapillary/testutils/annotations/MapillaryURLWireMock.java
+++ b/test/unit/org/openstreetmap/josm/plugins/mapillary/testutils/annotations/MapillaryURLWireMock.java
@@ -1,6 +1,7 @@
 // License: GPL. For details, see LICENSE file.
 package org.openstreetmap.josm.plugins.mapillary.testutils.annotations;
 
+import static java.util.function.Predicate.not;
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.fail;
 
@@ -274,7 +275,7 @@ public Response transform(Response response, ServeEvent serveEvent) {
                     return response;
                 }
                 final String origBody = response.getBodyAsString();
-                if (Utils.isBlank(origBody)) {
+                if (Utils.isStripEmpty(origBody)) {
                     return response;
                 }
                 String newBody = origBody.replaceAll("https?://.*?/", server.baseUrl() + "/");
@@ -307,7 +308,7 @@ public Response transform(Response response, ServeEvent serveEvent) {
                 if (request.queryParameter("fields").isPresent()) {
                     final List<String> fields = request.queryParameter("fields").values().stream()
                         .flatMap(string -> Stream.of(string.split(",", -1))).filter(Objects::nonNull)
-                        .filter(string -> !Utils.isStripEmpty(string)).collect(Collectors.toList());
+                        .filter(not(Utils::isStripEmpty)).collect(Collectors.toList());
                     try (JsonReader reader = Json
                         .createReader(new ByteArrayInputStream(newBody.getBytes(StandardCharsets.UTF_8)))) {
                         final JsonValue jsonValue = reader.readValue();