diff --git a/README.md b/README.md
index 1c060b11f..55ae942c5 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,6 @@ We provide docker images with various application properties set:
 
 | Image Name                    | Image Tag  | Properties (see [src/main/resources/application.properties](src/main/resources/application.properties)) |
 |-------------------------------|------------|--------------------------------------------------|
-| docker.io/keptnexamples/carts | 0.10.**1** | version=v1,promotionRate=0,delayInMillis=0       |
-| docker.io/keptnexamples/carts | 0.10.**2** | version=v2,promotionRate=0,delayInMillis=1000ms  |
-| docker.io/keptnexamples/carts | 0.10.**3** | version=v3,promotionRate=0,delayInMillis=0       |
+| docker.io/keptnexamples/carts | 0.13.**1** | version=v1,promotionRate=0,delayInMillis=0       |
+| docker.io/keptnexamples/carts | 0.13.**2** | version=v2,promotionRate=0,delayInMillis=1000ms  |
+| docker.io/keptnexamples/carts | 0.13.**3** | version=v3,promotionRate=0,delayInMillis=0       |
diff --git a/perfspec/perfspec_dynatrace.json b/perfspec/perfspec_dynatrace.json
deleted file mode 100644
index 235b4ac5d..000000000
--- a/perfspec/perfspec_dynatrace.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "spec_version": "1.0",
-  "indicators": [
-    {
-      "id": "ResponseTime_Backend",
-      "source": "Dynatrace",
-      "query": {
-        "timeseriesId": "com.dynatrace.builtin:service.responsetime",
-        "aggregation": "AVG",
-        "startTimestamp": "",
-        "endTimestamp": ""
-      },
-      "grading": {
-        "type": "Threshold",
-        "thresholds": {
-          "upperSevere": 1000000,
-          "upperWarning": 800000
-        },
-        "metricScore": 100
-      }
-    }
-  ],
-  "objectives": {
-    "pass": 90,
-    "warning": 75
-  }
-}
diff --git a/perfspec/perfspec_prometheus.json b/perfspec/perfspec_prometheus.json
deleted file mode 100644
index ba2a7a8ba..000000000
--- a/perfspec/perfspec_prometheus.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "spec_version": "1.0",
-  "indicators": [
-    {
-      "id":"request_latency_seconds",
-      "source":"Prometheus",
-      "query":"rate(requests_latency_seconds_sum{job='carts-$ENVIRONMENT'}[$DURATION_MINUTESm])/rate(requests_latency_seconds_count{job='carts-$ENVIRONMENT'}[$DURATION_MINUTESm])",
-      "grading":{
-          "type":"Threshold",
-          "thresholds":{
-            "upperSevere":0.8
-          },
-          "metricScore":100
-      }
-    }
-  ],
-  "objectives": {
-    "pass": 90,
-    "warning": 75
-  }
-}