diff --git a/.github/workflows/Java.yml b/.github/workflows/Java.yml
index a98732a0d..53c8e903c 100644
--- a/.github/workflows/Java.yml
+++ b/.github/workflows/Java.yml
@@ -159,8 +159,6 @@ jobs:
     name: Linux Spark (amd64)
     runs-on: ubuntu-latest
     needs: java-linux-amd64
-    # todo: enable me
-    if: ${{ false }}
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_x86_64
       DUCKDB_JDBC_JAR: ${{ github.workspace }}/build/release/duckdb_jdbc.jar
@@ -849,7 +847,7 @@ jobs:
     needs:
       - java-linux-amd64
       - java-linux-amd64-tck
-      # - java-linux-amd64-spark
+      - java-linux-amd64-spark
       - java-linux-amd64-asan
       - java-linux-amd64-jepsen
       - java-linux-aarch64
@@ -934,7 +932,7 @@ jobs:
     needs:
       - java-linux-amd64
       - java-linux-amd64-tck
-      # - java-linux-amd64-spark
+      - java-linux-amd64-spark
       - java-linux-amd64-asan
       - java-linux-amd64-jepsen
       - java-linux-aarch64
diff --git a/src/test/java/org/duckdb/TestDuckDBJDBC.java b/src/test/java/org/duckdb/TestDuckDBJDBC.java
index 599e743a5..cc857257a 100644
--- a/src/test/java/org/duckdb/TestDuckDBJDBC.java
+++ b/src/test/java/org/duckdb/TestDuckDBJDBC.java
@@ -2264,8 +2264,7 @@ public static void test_ignore_unsupported_options() throws Exception {
         DriverManager.getConnection("jdbc:duckdb:;foo=bar;jdbc_ignore_unsupported_options=yes;", config).close();
     }
 
-    // TODO: enable me
-    public static void DISABLED_test_extension_excel() throws Exception {
+    public static void test_extension_excel() throws Exception {
         // Check whether the Excel extension can be installed and loaded automatically
         try (Connection conn = DriverManager.getConnection(JDBC_URL); Statement stmt = conn.createStatement();
              ResultSet rs = stmt.executeQuery("SELECT excel_text(1_234_567.897, 'h:mm AM/PM')")) {
@@ -2287,7 +2286,7 @@ public static void main(String[] args) throws Exception {
                          TestAppenderCollection2D.class, TestAppenderComposite.class, TestSingleValueAppender.class,
                          TestBatch.class, TestBindings.class, TestChunkedResult.class, TestClosure.class,
                          TestExtensionTypes.class, TestJfrEvents.class, TestMetadata.class, /* TestNoLib.class ,*/
-                         /* TestSpatial.class,*/ TestParameterMetadata.class, TestPrepare.class, TestResults.class,
+                         TestSpatial.class, TestParameterMetadata.class, TestPrepare.class, TestResults.class,
                          TestScalarFunctions.class, TestSessionInit.class, TestTableFunctions.class,
                          TestTimestamp.class, TestVariant.class);
         }
diff --git a/src/test/java/org/duckdb/TestVariant.java b/src/test/java/org/duckdb/TestVariant.java
index efa2861af..2e94c1a95 100644
--- a/src/test/java/org/duckdb/TestVariant.java
+++ b/src/test/java/org/duckdb/TestVariant.java
@@ -240,9 +240,8 @@ public static void test_variant_struct() throws Exception {
         }
     }
 
-    // TODO: enable me
     // https://github.com/duckdb/duckdb/issues/23274
-    public static void DISABLED_test_variant_struct_with_variant() throws Exception {
+    public static void test_variant_struct_with_variant() throws Exception {
         try (Connection conn = DriverManager.getConnection(JDBC_URL); Statement stmt = conn.createStatement()) {
 
             stmt.execute("CREATE TABLE tab1 (col1 INTEGER, col2 STRUCT(s1 INTEGER, s2 VARIANT))");