diff --git a/grpc-server-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/server/metrics/MetricsServerInstruments.java b/grpc-server-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/server/metrics/MetricsServerInstruments.java
index f5e799315..0fb4319b0 100644
--- a/grpc-server-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/server/metrics/MetricsServerInstruments.java
+++ b/grpc-server-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/server/metrics/MetricsServerInstruments.java
@@ -66,7 +66,6 @@ static MetricsServerMeters newServerMetricsMeters(MeterRegistry registry) {
         builder.setServerCallCounter(Counter.builder(SERVER_CALL_STARTED)
                 .description("The total number of RPC attempts started from the server side, including "
                         + "those that have not completed.")
-                .baseUnit("call")
                 .withRegistry(registry));
 
         builder.setSentMessageSizeDistribution(DistributionSummary.builder(