diff --git a/wizard-server/src/main/java/org/cobbzilla/wizard/cache/redis/RedisService.java b/wizard-server/src/main/java/org/cobbzilla/wizard/cache/redis/RedisService.java
index d11b1b8..41a483b 100644
--- a/wizard-server/src/main/java/org/cobbzilla/wizard/cache/redis/RedisService.java
+++ b/wizard-server/src/main/java/org/cobbzilla/wizard/cache/redis/RedisService.java
@@ -101,7 +101,7 @@ public class RedisService {
 
     public boolean exists(String key) { return __exists(prefix(key), 0); }
     public boolean anyExists(Collection<String> keys) {
-        for (final var key : keys) {
+        for (final String key : keys) {
             if (__exists(prefix(key), 0)) return true;
         }
         return false;
@@ -111,7 +111,7 @@ public class RedisService {
     }
 
     public <T> T getObject(String key, Class<T> clazz) {
-        final var json = __get(prefix(key), 0);
+        final String json = __get(prefix(key), 0);
         return empty(json) ? null : fromJsonOrDie(decrypt(json), clazz);
     }
     public String get(String key) { return decrypt(__get(prefix(key), 0)); }
@@ -130,8 +130,8 @@ public class RedisService {
         __set(prefix(key), encrypt(value), buildSetParams(nxxx, expx, time), 0);
     }
     public void set(String key, String value, String expx, long time) {
-        final var fullKey = prefix(key);
-        final var preparedValue = encrypt(value);
+        final String fullKey = prefix(key);
+        final String preparedValue = encrypt(value);
         __set(fullKey, preparedValue, buildSetParams(XX, expx, time), 0);
         __set(fullKey, preparedValue, buildSetParams(NX, expx, time), 0);
     }
@@ -140,7 +140,7 @@ public class RedisService {
         __set(prefix(key), value, buildSetParams(nxxx, expx, time), 0);
     }
     public void set_plaintext(String key, String value, String expx, long time) {
-        final var fullKey = prefix(key);
+        final String fullKey = prefix(key);
         __set(fullKey, value, buildSetParams(XX, expx, time), 0);
         __set(fullKey, value, buildSetParams(NX, expx, time), 0);
     }
@@ -171,7 +171,7 @@ public class RedisService {
     public Long del_withPrefix(String prefixedKey) { return __del(prefixedKey, 0); }
     public Long del_matching(String keyMatch) {
         Long count = 0L;
-        for (final var fullKey : keys(keyMatch)) {
+        for (final String fullKey : keys(keyMatch)) {
             count += __del(fullKey, 0);
         }
         return count;